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Finding the Fourth Proportional to 437,553.20, 656,329.80 and 105,129.20

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Solution

The fourth proportional to 437,553.20, 656,329.80 and 105,129.20 is: 157,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,553.20 : 656,329.80 = 105,129.20 : x
  2. Step 2: Convert to fraction form
    437,553.20/656,329.80 = 105,129.20/x
  3. Step 3: Cross multiply
    437,553.20x = 656,329.80 × 105,129.20
  4. Step 4: Simplify right side
    437,553.20x = 68,999,426,810.16
  5. Step 5: Solve for x
    x = 68,999,426,810.16/437,553.20
  6. Step 6: Final answer
    x = 157,693.80

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