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Finding the Fourth Proportional to 220,667.62, 331,001.43 and 62,891.97

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Solution

The fourth proportional to 220,667.62, 331,001.43 and 62,891.97 is: 94,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,667.62 : 331,001.43 = 62,891.97 : x
  2. Step 2: Convert to fraction form
    220,667.62/331,001.43 = 62,891.97/x
  3. Step 3: Cross multiply
    220,667.62x = 331,001.43 × 62,891.97
  4. Step 4: Simplify right side
    220,667.62x = 20,817,331,636.24
  5. Step 5: Solve for x
    x = 20,817,331,636.24/220,667.62
  6. Step 6: Final answer
    x = 94,337.95

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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.