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Finding the Fourth Proportional to 95,639.97, 131,999.18 and 55,346.79

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Solution

The fourth proportional to 95,639.97, 131,999.18 and 55,346.79 is: 76,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,639.97 : 131,999.18 = 55,346.79 : x
  2. Step 2: Convert to fraction form
    95,639.97/131,999.18 = 55,346.79/x
  3. Step 3: Cross multiply
    95,639.97x = 131,999.18 × 55,346.79
  4. Step 4: Simplify right side
    95,639.97x = 7,305,730,618.90
  5. Step 5: Solve for x
    x = 7,305,730,618.90/95,639.97
  6. Step 6: Final answer
    x = 76,387.84

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