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Finding the Fourth Proportional to 67,708.20, 101,500.10 and 23,324.40

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Solution

The fourth proportional to 67,708.20, 101,500.10 and 23,324.40 is: 34,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,708.20 : 101,500.10 = 23,324.40 : x
  2. Step 2: Convert to fraction form
    67,708.20/101,500.10 = 23,324.40/x
  3. Step 3: Cross multiply
    67,708.20x = 101,500.10 × 23,324.40
  4. Step 4: Simplify right side
    67,708.20x = 2,367,429,224.80
  5. Step 5: Solve for x
    x = 2,367,429,224.80/67,708.20
  6. Step 6: Final answer
    x = 34,965.18

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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.