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Finding the Fourth Proportional to 67,197.77, 100,811.07 and 22,216.71

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Solution

The fourth proportional to 67,197.77, 100,811.07 and 22,216.71 is: 33,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,197.77 : 100,811.07 = 22,216.71 : x
  2. Step 2: Convert to fraction form
    67,197.77/100,811.07 = 22,216.71/x
  3. Step 3: Cross multiply
    67,197.77x = 100,811.07 × 22,216.71
  4. Step 4: Simplify right side
    67,197.77x = 2,239,690,306.98
  5. Step 5: Solve for x
    x = 2,239,690,306.98/67,197.77
  6. Step 6: Final answer
    x = 33,329.83

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1.5x scale

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.