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Finding the Fourth Proportional to 67,003.31, 100,505.19 and 22,630.44

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Solution

The fourth proportional to 67,003.31, 100,505.19 and 22,630.44 is: 33,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,003.31 : 100,505.19 = 22,630.44 : x
  2. Step 2: Convert to fraction form
    67,003.31/100,505.19 = 22,630.44/x
  3. Step 3: Cross multiply
    67,003.31x = 100,505.19 × 22,630.44
  4. Step 4: Simplify right side
    67,003.31x = 2,274,476,671.98
  5. Step 5: Solve for x
    x = 2,274,476,671.98/67,003.31
  6. Step 6: Final answer
    x = 33,945.74

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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.