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Finding the Fourth Proportional to 252,125.87, 347,924.87 and 137,402.17

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Solution

The fourth proportional to 252,125.87, 347,924.87 and 137,402.17 is: 189,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,125.87 : 347,924.87 = 137,402.17 : x
  2. Step 2: Convert to fraction form
    252,125.87/347,924.87 = 137,402.17/x
  3. Step 3: Cross multiply
    252,125.87x = 347,924.87 × 137,402.17
  4. Step 4: Simplify right side
    252,125.87x = 47,805,633,050.48
  5. Step 5: Solve for x
    x = 47,805,633,050.48/252,125.87
  6. Step 6: Final answer
    x = 189,610.19

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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.