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Finding the Fourth Proportional to 144,233.71, 216,375.20 and 44,391.70

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Solution

The fourth proportional to 144,233.71, 216,375.20 and 44,391.70 is: 66,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,233.71 : 216,375.20 = 44,391.70 : x
  2. Step 2: Convert to fraction form
    144,233.71/216,375.20 = 44,391.70/x
  3. Step 3: Cross multiply
    144,233.71x = 216,375.20 × 44,391.70
  4. Step 4: Simplify right side
    144,233.71x = 9,605,261,963.71
  5. Step 5: Solve for x
    x = 9,605,261,963.71/144,233.71
  6. Step 6: Final answer
    x = 66,595.12

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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.