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Finding the Fourth Proportional to 67,486.15, 101,290.87 and 34,229.17

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Solution

The fourth proportional to 67,486.15, 101,290.87 and 34,229.17 is: 51,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,486.15 : 101,290.87 = 34,229.17 : x
  2. Step 2: Convert to fraction form
    67,486.15/101,290.87 = 34,229.17/x
  3. Step 3: Cross multiply
    67,486.15x = 101,290.87 × 34,229.17
  4. Step 4: Simplify right side
    67,486.15x = 3,467,101,902.22
  5. Step 5: Solve for x
    x = 3,467,101,902.22/67,486.15
  6. Step 6: Final answer
    x = 51,375.02

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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.