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Finding the Fourth Proportional to 67,711.68, 101,605.92 and 36,546.24

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Solution

The fourth proportional to 67,711.68, 101,605.92 and 36,546.24 is: 54,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,711.68 : 101,605.92 = 36,546.24 : x
  2. Step 2: Convert to fraction form
    67,711.68/101,605.92 = 36,546.24/x
  3. Step 3: Cross multiply
    67,711.68x = 101,605.92 × 36,546.24
  4. Step 4: Simplify right side
    67,711.68x = 3,713,314,337.74
  5. Step 5: Solve for x
    x = 3,713,314,337.74/67,711.68
  6. Step 6: Final answer
    x = 54,840.09

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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.