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Finding the Fourth Proportional to 87,144.52, 130,714.03 and 24,815.02

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Solution

The fourth proportional to 87,144.52, 130,714.03 and 24,815.02 is: 37,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,144.52 : 130,714.03 = 24,815.02 : x
  2. Step 2: Convert to fraction form
    87,144.52/130,714.03 = 24,815.02/x
  3. Step 3: Cross multiply
    87,144.52x = 130,714.03 × 24,815.02
  4. Step 4: Simplify right side
    87,144.52x = 3,243,671,268.73
  5. Step 5: Solve for x
    x = 3,243,671,268.73/87,144.52
  6. Step 6: Final answer
    x = 37,221.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.