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Finding the Fourth Proportional to 108,240.75, 162,360.72 and 29,354.85

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Solution

The fourth proportional to 108,240.75, 162,360.72 and 29,354.85 is: 44,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,240.75 : 162,360.72 = 29,354.85 : x
  2. Step 2: Convert to fraction form
    108,240.75/162,360.72 = 29,354.85/x
  3. Step 3: Cross multiply
    108,240.75x = 162,360.72 × 29,354.85
  4. Step 4: Simplify right side
    108,240.75x = 4,766,074,581.49
  5. Step 5: Solve for x
    x = 4,766,074,581.49/108,240.75
  6. Step 6: Final answer
    x = 44,032.17

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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.