Simplify:
75.3 - 104.645 +178.96 - 47.9

Answer

To simplify the expression \( 75.3 - 104.645 + 178.96 - 47.9 \), we will follow these steps:

### Step 1: Arrange the numbers
First, let's write the expression clearly:
\[ 75.3 - 104.645 + 178.96 - 47.9 \]

### Step 2: Perform the subtraction and addition in order
We will perform the operations from left to right.

1. **Calculate \( 75.3 - 104.645 \)**:
\[ 75.3 - 104.645 = -29.345 \]

2. **Add \( 178.96 \)** to the result:
\[ -29.345 + 178.96 = 149.615 \]

3. **Subtract \( 47.9 \)** from the result:
\[ 149.615 - 47.9 = 101.715 \]

### Final Result:
Thus, the simplified result of the expression \( 75.3 - 104.645 + 178.96 - 47.9 \) is:
\[ \boxed{101.715} \]