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Finding the Fourth Proportional to 269,966.88, 372,352.92 and 239,375.88

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Solution

The fourth proportional to 269,966.88, 372,352.92 and 239,375.88 is: 330,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,966.88 : 372,352.92 = 239,375.88 : x
  2. Step 2: Convert to fraction form
    269,966.88/372,352.92 = 239,375.88/x
  3. Step 3: Cross multiply
    269,966.88x = 372,352.92 × 239,375.88
  4. Step 4: Simplify right side
    269,966.88x = 89,132,307,895.57
  5. Step 5: Solve for x
    x = 89,132,307,895.57/269,966.88
  6. Step 6: Final answer
    x = 330,160.16

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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.