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Finding the Fourth Proportional to 67,068.57, 100,540.32 and 22,664.27

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Solution

The fourth proportional to 67,068.57, 100,540.32 and 22,664.27 is: 33,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068.57 : 100,540.32 = 22,664.27 : x
  2. Step 2: Convert to fraction form
    67,068.57/100,540.32 = 22,664.27/x
  3. Step 3: Cross multiply
    67,068.57x = 100,540.32 × 22,664.27
  4. Step 4: Simplify right side
    67,068.57x = 2,278,672,780.25
  5. Step 5: Solve for x
    x = 2,278,672,780.25/67,068.57
  6. Step 6: Final answer
    x = 33,975.27

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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.