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Finding the Fourth Proportional to 92,937.85, 139,423.17 and 29,769.09

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Solution

The fourth proportional to 92,937.85, 139,423.17 and 29,769.09 is: 44,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,937.85 : 139,423.17 = 29,769.09 : x
  2. Step 2: Convert to fraction form
    92,937.85/139,423.17 = 29,769.09/x
  3. Step 3: Cross multiply
    92,937.85x = 139,423.17 × 29,769.09
  4. Step 4: Simplify right side
    92,937.85x = 4,150,500,484.61
  5. Step 5: Solve for x
    x = 4,150,500,484.61/92,937.85
  6. Step 6: Final answer
    x = 44,658.88

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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.