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Finding the Fourth Proportional to 95,287.80, 131,505.24 and 52,860

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Solution

The fourth proportional to 95,287.80, 131,505.24 and 52,860 is: 72,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,287.80 : 131,505.24 = 52,860 : x
  2. Step 2: Convert to fraction form
    95,287.80/131,505.24 = 52,860/x
  3. Step 3: Cross multiply
    95,287.80x = 131,505.24 × 52,860
  4. Step 4: Simplify right side
    95,287.80x = 6,951,366,986.40
  5. Step 5: Solve for x
    x = 6,951,366,986.40/95,287.80
  6. Step 6: Final answer
    x = 72,951.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.