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Finding the Fourth Proportional to 67,552.59, 101,347.35 and 20,169.87

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Solution

The fourth proportional to 67,552.59, 101,347.35 and 20,169.87 is: 30,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,552.59 : 101,347.35 = 20,169.87 : x
  2. Step 2: Convert to fraction form
    67,552.59/101,347.35 = 20,169.87/x
  3. Step 3: Cross multiply
    67,552.59x = 101,347.35 × 20,169.87
  4. Step 4: Simplify right side
    67,552.59x = 2,044,162,874.34
  5. Step 5: Solve for x
    x = 2,044,162,874.34/67,552.59
  6. Step 6: Final answer
    x = 30,260.32

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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.