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Finding the Fourth Proportional to 108,372.56, 162,542.42 and 29,492.94

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Solution

The fourth proportional to 108,372.56, 162,542.42 and 29,492.94 is: 44,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,372.56 : 162,542.42 = 29,492.94 : x
  2. Step 2: Convert to fraction form
    108,372.56/162,542.42 = 29,492.94/x
  3. Step 3: Cross multiply
    108,372.56x = 162,542.42 × 29,492.94
  4. Step 4: Simplify right side
    108,372.56x = 4,793,853,693.05
  5. Step 5: Solve for x
    x = 4,793,853,693.05/108,372.56
  6. Step 6: Final answer
    x = 44,234.94

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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.