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Finding the Fourth Proportional to 67,081.57, 100,627.01 and 22,693.31

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Solution

The fourth proportional to 67,081.57, 100,627.01 and 22,693.31 is: 34,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,081.57 : 100,627.01 = 22,693.31 : x
  2. Step 2: Convert to fraction form
    67,081.57/100,627.01 = 22,693.31/x
  3. Step 3: Cross multiply
    67,081.57x = 100,627.01 × 22,693.31
  4. Step 4: Simplify right side
    67,081.57x = 2,283,560,344.18
  5. Step 5: Solve for x
    x = 2,283,560,344.18/67,081.57
  6. Step 6: Final answer
    x = 34,041.55

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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.