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Finding the Fourth Proportional to 144,718.80, 217,000.17 and 44,836.08

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Solution

The fourth proportional to 144,718.80, 217,000.17 and 44,836.08 is: 67,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,718.80 : 217,000.17 = 44,836.08 : x
  2. Step 2: Convert to fraction form
    144,718.80/217,000.17 = 44,836.08/x
  3. Step 3: Cross multiply
    144,718.80x = 217,000.17 × 44,836.08
  4. Step 4: Simplify right side
    144,718.80x = 9,729,436,982.13
  5. Step 5: Solve for x
    x = 9,729,436,982.13/144,718.80
  6. Step 6: Final answer
    x = 67,229.95

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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.