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Finding the Fourth Proportional to 144,414.52, 216,658.80 and 60,146.68

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Solution

The fourth proportional to 144,414.52, 216,658.80 and 60,146.68 is: 90,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,414.52 : 216,658.80 = 60,146.68 : x
  2. Step 2: Convert to fraction form
    144,414.52/216,658.80 = 60,146.68/x
  3. Step 3: Cross multiply
    144,414.52x = 216,658.80 × 60,146.68
  4. Step 4: Simplify right side
    144,414.52x = 13,031,307,512.78
  5. Step 5: Solve for x
    x = 13,031,307,512.78/144,414.52
  6. Step 6: Final answer
    x = 90,235.44

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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.