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Finding the Fourth Proportional to 83,959.75, 125,988.83 and 60,241.73

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Solution

The fourth proportional to 83,959.75, 125,988.83 and 60,241.73 is: 90,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,959.75 : 125,988.83 = 60,241.73 : x
  2. Step 2: Convert to fraction form
    83,959.75/125,988.83 = 60,241.73/x
  3. Step 3: Cross multiply
    83,959.75x = 125,988.83 × 60,241.73
  4. Step 4: Simplify right side
    83,959.75x = 7,589,785,552.33
  5. Step 5: Solve for x
    x = 7,589,785,552.33/83,959.75
  6. Step 6: Final answer
    x = 90,397.91

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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.