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Finding the Fourth Proportional to 240,531.66, 360,793.62 and 82,761.48

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Solution

The fourth proportional to 240,531.66, 360,793.62 and 82,761.48 is: 124,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,531.66 : 360,793.62 = 82,761.48 : x
  2. Step 2: Convert to fraction form
    240,531.66/360,793.62 = 82,761.48/x
  3. Step 3: Cross multiply
    240,531.66x = 360,793.62 × 82,761.48
  4. Step 4: Simplify right side
    240,531.66x = 29,859,813,965.76
  5. Step 5: Solve for x
    x = 29,859,813,965.76/240,531.66
  6. Step 6: Final answer
    x = 124,140.89

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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.