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Finding the Fourth Proportional to 67,062.85, 100,593.88 and 17,142.86

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Solution

The fourth proportional to 67,062.85, 100,593.88 and 17,142.86 is: 25,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,062.85 : 100,593.88 = 17,142.86 : x
  2. Step 2: Convert to fraction form
    67,062.85/100,593.88 = 17,142.86/x
  3. Step 3: Cross multiply
    67,062.85x = 100,593.88 × 17,142.86
  4. Step 4: Simplify right side
    67,062.85x = 1,724,467,010.32
  5. Step 5: Solve for x
    x = 1,724,467,010.32/67,062.85
  6. Step 6: Final answer
    x = 25,714.19

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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.