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Finding the Fourth Proportional to 238,133.88, 357,200.82 and 71,921.88

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Solution

The fourth proportional to 238,133.88, 357,200.82 and 71,921.88 is: 107,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,133.88 : 357,200.82 = 71,921.88 : x
  2. Step 2: Convert to fraction form
    238,133.88/357,200.82 = 71,921.88/x
  3. Step 3: Cross multiply
    238,133.88x = 357,200.82 × 71,921.88
  4. Step 4: Simplify right side
    238,133.88x = 25,690,554,511.94
  5. Step 5: Solve for x
    x = 25,690,554,511.94/238,133.88
  6. Step 6: Final answer
    x = 107,882.82

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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.