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Finding the Fourth Proportional to 144,383.52, 216,612.17 and 60,115.68

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Solution

The fourth proportional to 144,383.52, 216,612.17 and 60,115.68 is: 90,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,383.52 : 216,612.17 = 60,115.68 : x
  2. Step 2: Convert to fraction form
    144,383.52/216,612.17 = 60,115.68/x
  3. Step 3: Cross multiply
    144,383.52x = 216,612.17 × 60,115.68
  4. Step 4: Simplify right side
    144,383.52x = 13,021,787,595.25
  5. Step 5: Solve for x
    x = 13,021,787,595.25/144,383.52
  6. Step 6: Final answer
    x = 90,188.88

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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.