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Finding the Fourth Proportional to 137,592, 206,306.40 and 58,665.92

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Solution

The fourth proportional to 137,592, 206,306.40 and 58,665.92 is: 87,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,592 : 206,306.40 = 58,665.92 : x
  2. Step 2: Convert to fraction form
    137,592/206,306.40 = 58,665.92/x
  3. Step 3: Cross multiply
    137,592x = 206,306.40 × 58,665.92
  4. Step 4: Simplify right side
    137,592x = 12,103,154,757.89
  5. Step 5: Solve for x
    x = 12,103,154,757.89/137,592
  6. Step 6: Final answer
    x = 87,964.09

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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.