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Finding the Fourth Proportional to 87,417.20, 131,125.80 and 32,034.80

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Solution

The fourth proportional to 87,417.20, 131,125.80 and 32,034.80 is: 48,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,417.20 : 131,125.80 = 32,034.80 : x
  2. Step 2: Convert to fraction form
    87,417.20/131,125.80 = 32,034.80/x
  3. Step 3: Cross multiply
    87,417.20x = 131,125.80 × 32,034.80
  4. Step 4: Simplify right side
    87,417.20x = 4,200,588,777.84
  5. Step 5: Solve for x
    x = 4,200,588,777.84/87,417.20
  6. Step 6: Final answer
    x = 48,052.20

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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.