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Finding the Fourth Proportional to 244,001.31, 366,031.49 and 86,197.47

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Solution

The fourth proportional to 244,001.31, 366,031.49 and 86,197.47 is: 129,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,001.31 : 366,031.49 = 86,197.47 : x
  2. Step 2: Convert to fraction form
    244,001.31/366,031.49 = 86,197.47/x
  3. Step 3: Cross multiply
    244,001.31x = 366,031.49 × 86,197.47
  4. Step 4: Simplify right side
    244,001.31x = 31,550,987,947.34
  5. Step 5: Solve for x
    x = 31,550,987,947.34/244,001.31
  6. Step 6: Final answer
    x = 129,306.63

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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.