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Finding the Fourth Proportional to 179,930.70, 269,934.10 and 67,611.89

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Solution

The fourth proportional to 179,930.70, 269,934.10 and 67,611.89 is: 101,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,930.70 : 269,934.10 = 67,611.89 : x
  2. Step 2: Convert to fraction form
    179,930.70/269,934.10 = 67,611.89/x
  3. Step 3: Cross multiply
    179,930.70x = 269,934.10 × 67,611.89
  4. Step 4: Simplify right side
    179,930.70x = 18,250,753,326.78
  5. Step 5: Solve for x
    x = 18,250,753,326.78/179,930.70
  6. Step 6: Final answer
    x = 101,432.13

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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.