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Finding the Fourth Proportional to 275,887.60, 413,734.20 and 98,400.40

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Solution

The fourth proportional to 275,887.60, 413,734.20 and 98,400.40 is: 147,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,887.60 : 413,734.20 = 98,400.40 : x
  2. Step 2: Convert to fraction form
    275,887.60/413,734.20 = 98,400.40/x
  3. Step 3: Cross multiply
    275,887.60x = 413,734.20 × 98,400.40
  4. Step 4: Simplify right side
    275,887.60x = 40,711,610,773.68
  5. Step 5: Solve for x
    x = 40,711,610,773.68/275,887.60
  6. Step 6: Final answer
    x = 147,565.93

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