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Finding the Fourth Proportional to 239,882.88, 359,761.50 and 71,357.88

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Solution

The fourth proportional to 239,882.88, 359,761.50 and 71,357.88 is: 107,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,882.88 : 359,761.50 = 71,357.88 : x
  2. Step 2: Convert to fraction form
    239,882.88/359,761.50 = 71,357.88/x
  3. Step 3: Cross multiply
    239,882.88x = 359,761.50 × 71,357.88
  4. Step 4: Simplify right side
    239,882.88x = 25,671,817,945.62
  5. Step 5: Solve for x
    x = 25,671,817,945.62/239,882.88
  6. Step 6: Final answer
    x = 107,018.13

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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.