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Finding the Fourth Proportional to 79,331.82, 118,921.82 and 29,398.50

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Solution

The fourth proportional to 79,331.82, 118,921.82 and 29,398.50 is: 44,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331.82 : 118,921.82 = 29,398.50 : x
  2. Step 2: Convert to fraction form
    79,331.82/118,921.82 = 29,398.50/x
  3. Step 3: Cross multiply
    79,331.82x = 118,921.82 × 29,398.50
  4. Step 4: Simplify right side
    79,331.82x = 3,496,123,125.27
  5. Step 5: Solve for x
    x = 3,496,123,125.27/79,331.82
  6. Step 6: Final answer
    x = 44,069.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.