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Finding the Fourth Proportional to 67,060.62, 100,590.84 and 17,140.77

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Solution

The fourth proportional to 67,060.62, 100,590.84 and 17,140.77 is: 25,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,060.62 : 100,590.84 = 17,140.77 : x
  2. Step 2: Convert to fraction form
    67,060.62/100,590.84 = 17,140.77/x
  3. Step 3: Cross multiply
    67,060.62x = 100,590.84 × 17,140.77
  4. Step 4: Simplify right side
    67,060.62x = 1,724,204,452.55
  5. Step 5: Solve for x
    x = 1,724,204,452.55/67,060.62
  6. Step 6: Final answer
    x = 25,711.13

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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.