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Finding the Fourth Proportional to 274,366.43, 411,553.11 and 96,748.89

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Solution

The fourth proportional to 274,366.43, 411,553.11 and 96,748.89 is: 145,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,366.43 : 411,553.11 = 96,748.89 : x
  2. Step 2: Convert to fraction form
    274,366.43/411,553.11 = 96,748.89/x
  3. Step 3: Cross multiply
    274,366.43x = 411,553.11 × 96,748.89
  4. Step 4: Simplify right side
    274,366.43x = 39,817,306,568.55
  5. Step 5: Solve for x
    x = 39,817,306,568.55/274,366.43
  6. Step 6: Final answer
    x = 145,124.56

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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.