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Finding the Fourth Proportional to 67,479.28, 101,197.14 and 22,488.64

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Solution

The fourth proportional to 67,479.28, 101,197.14 and 22,488.64 is: 33,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,479.28 : 101,197.14 = 22,488.64 : x
  2. Step 2: Convert to fraction form
    67,479.28/101,197.14 = 22,488.64/x
  3. Step 3: Cross multiply
    67,479.28x = 101,197.14 × 22,488.64
  4. Step 4: Simplify right side
    67,479.28x = 2,275,786,050.49
  5. Step 5: Solve for x
    x = 2,275,786,050.49/67,479.28
  6. Step 6: Final answer
    x = 33,725.70

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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.