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Finding the Fourth Proportional to 79,692.46, 119,524.82 and 29,772.97

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Solution

The fourth proportional to 79,692.46, 119,524.82 and 29,772.97 is: 44,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,692.46 : 119,524.82 = 29,772.97 : x
  2. Step 2: Convert to fraction form
    79,692.46/119,524.82 = 29,772.97/x
  3. Step 3: Cross multiply
    79,692.46x = 119,524.82 × 29,772.97
  4. Step 4: Simplify right side
    79,692.46x = 3,558,608,432.44
  5. Step 5: Solve for x
    x = 3,558,608,432.44/79,692.46
  6. Step 6: Final answer
    x = 44,654.27

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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.