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Finding the Fourth Proportional to 252,712.38, 379,251.48 and 98,861.06

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Solution

The fourth proportional to 252,712.38, 379,251.48 and 98,861.06 is: 148,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,712.38 : 379,251.48 = 98,861.06 : x
  2. Step 2: Convert to fraction form
    252,712.38/379,251.48 = 98,861.06/x
  3. Step 3: Cross multiply
    252,712.38x = 379,251.48 × 98,861.06
  4. Step 4: Simplify right side
    252,712.38x = 37,493,203,773.19
  5. Step 5: Solve for x
    x = 37,493,203,773.19/252,712.38
  6. Step 6: Final answer
    x = 148,363.15

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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.