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Finding the Fourth Proportional to 87,543.70, 131,105.04 and 49,989.97

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Solution

The fourth proportional to 87,543.70, 131,105.04 and 49,989.97 is: 74,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,543.70 : 131,105.04 = 49,989.97 : x
  2. Step 2: Convert to fraction form
    87,543.70/131,105.04 = 49,989.97/x
  3. Step 3: Cross multiply
    87,543.70x = 131,105.04 × 49,989.97
  4. Step 4: Simplify right side
    87,543.70x = 6,553,937,016.45
  5. Step 5: Solve for x
    x = 6,553,937,016.45/87,543.70
  6. Step 6: Final answer
    x = 74,864.75

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