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Finding the Fourth Proportional to 71,934.70, 107,910.15 and 22,014.40

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Solution

The fourth proportional to 71,934.70, 107,910.15 and 22,014.40 is: 33,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,934.70 : 107,910.15 = 22,014.40 : x
  2. Step 2: Convert to fraction form
    71,934.70/107,910.15 = 22,014.40/x
  3. Step 3: Cross multiply
    71,934.70x = 107,910.15 × 22,014.40
  4. Step 4: Simplify right side
    71,934.70x = 2,375,577,206.16
  5. Step 5: Solve for x
    x = 2,375,577,206.16/71,934.70
  6. Step 6: Final answer
    x = 33,024.08

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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.