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Finding the Fourth Proportional to 67,397.49, 101,109.20 and 25,841.25

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Solution

The fourth proportional to 67,397.49, 101,109.20 and 25,841.25 is: 38,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,397.49 : 101,109.20 = 25,841.25 : x
  2. Step 2: Convert to fraction form
    67,397.49/101,109.20 = 25,841.25/x
  3. Step 3: Cross multiply
    67,397.49x = 101,109.20 × 25,841.25
  4. Step 4: Simplify right side
    67,397.49x = 2,612,787,985.29
  5. Step 5: Solve for x
    x = 2,612,787,985.29/67,397.49
  6. Step 6: Final answer
    x = 38,766.84

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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.