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Finding the Fourth Proportional to 207,696.88, 311,546.70 and 74,578.36

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Solution

The fourth proportional to 207,696.88, 311,546.70 and 74,578.36 is: 111,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,696.88 : 311,546.70 = 74,578.36 : x
  2. Step 2: Convert to fraction form
    207,696.88/311,546.70 = 74,578.36/x
  3. Step 3: Cross multiply
    207,696.88x = 311,546.70 × 74,578.36
  4. Step 4: Simplify right side
    207,696.88x = 23,234,641,949.41
  5. Step 5: Solve for x
    x = 23,234,641,949.41/207,696.88
  6. Step 6: Final answer
    x = 111,868.04

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