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Finding the Fourth Proportional to 144,363.47, 216,489.71 and 49,575.92

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Solution

The fourth proportional to 144,363.47, 216,489.71 and 49,575.92 is: 74,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,363.47 : 216,489.71 = 49,575.92 : x
  2. Step 2: Convert to fraction form
    144,363.47/216,489.71 = 49,575.92/x
  3. Step 3: Cross multiply
    144,363.47x = 216,489.71 × 49,575.92
  4. Step 4: Simplify right side
    144,363.47x = 10,732,675,585.27
  5. Step 5: Solve for x
    x = 10,732,675,585.27/144,363.47
  6. Step 6: Final answer
    x = 74,344.82

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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.