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Finding the Fourth Proportional to 67,842.62, 101,691.42 and 36,233.18

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Solution

The fourth proportional to 67,842.62, 101,691.42 and 36,233.18 is: 54,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,842.62 : 101,691.42 = 36,233.18 : x
  2. Step 2: Convert to fraction form
    67,842.62/101,691.42 = 36,233.18/x
  3. Step 3: Cross multiply
    67,842.62x = 101,691.42 × 36,233.18
  4. Step 4: Simplify right side
    67,842.62x = 3,684,603,525.32
  5. Step 5: Solve for x
    x = 3,684,603,525.32/67,842.62
  6. Step 6: Final answer
    x = 54,311.04

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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.