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Finding the Fourth Proportional to 144,517.80, 216,799.92 and 44,654.52

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Solution

The fourth proportional to 144,517.80, 216,799.92 and 44,654.52 is: 66,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,517.80 : 216,799.92 = 44,654.52 : x
  2. Step 2: Convert to fraction form
    144,517.80/216,799.92 = 44,654.52/x
  3. Step 3: Cross multiply
    144,517.80x = 216,799.92 × 44,654.52
  4. Step 4: Simplify right side
    144,517.80x = 9,681,096,363.64
  5. Step 5: Solve for x
    x = 9,681,096,363.64/144,517.80
  6. Step 6: Final answer
    x = 66,988.95

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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.