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Finding the Fourth Proportional to 67,609.82, 101,207.12 and 42,532.44

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Solution

The fourth proportional to 67,609.82, 101,207.12 and 42,532.44 is: 63,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,609.82 : 101,207.12 = 42,532.44 : x
  2. Step 2: Convert to fraction form
    67,609.82/101,207.12 = 42,532.44/x
  3. Step 3: Cross multiply
    67,609.82x = 101,207.12 × 42,532.44
  4. Step 4: Simplify right side
    67,609.82x = 4,304,585,758.97
  5. Step 5: Solve for x
    x = 4,304,585,758.97/67,609.82
  6. Step 6: Final answer
    x = 63,668.06

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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.