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Finding the Fourth Proportional to 144,542.40, 216,834.24 and 44,711.10

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Solution

The fourth proportional to 144,542.40, 216,834.24 and 44,711.10 is: 67,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,542.40 : 216,834.24 = 44,711.10 : x
  2. Step 2: Convert to fraction form
    144,542.40/216,834.24 = 44,711.10/x
  3. Step 3: Cross multiply
    144,542.40x = 216,834.24 × 44,711.10
  4. Step 4: Simplify right side
    144,542.40x = 9,694,897,388.06
  5. Step 5: Solve for x
    x = 9,694,897,388.06/144,542.40
  6. Step 6: Final answer
    x = 67,073.03

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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.