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Finding the Fourth Proportional to 71,360, 107,046.08 and 22,112

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Solution

The fourth proportional to 71,360, 107,046.08 and 22,112 is: 33,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,360 : 107,046.08 = 22,112 : x
  2. Step 2: Convert to fraction form
    71,360/107,046.08 = 22,112/x
  3. Step 3: Cross multiply
    71,360x = 107,046.08 × 22,112
  4. Step 4: Simplify right side
    71,360x = 2,367,002,920.96
  5. Step 5: Solve for x
    x = 2,367,002,920.96/71,360
  6. Step 6: Final answer
    x = 33,169.88

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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.