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Finding the Fourth Proportional to 252,251.92, 348,112.20 and 137,531.44

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Solution

The fourth proportional to 252,251.92, 348,112.20 and 137,531.44 is: 189,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,251.92 : 348,112.20 = 137,531.44 : x
  2. Step 2: Convert to fraction form
    252,251.92/348,112.20 = 137,531.44/x
  3. Step 3: Cross multiply
    252,251.92x = 348,112.20 × 137,531.44
  4. Step 4: Simplify right side
    252,251.92x = 47,876,372,147.57
  5. Step 5: Solve for x
    x = 47,876,372,147.57/252,251.92
  6. Step 6: Final answer
    x = 189,795.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.