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Finding the Fourth Proportional to 108,542.70, 162,765.45 and 41,960.70

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Solution

The fourth proportional to 108,542.70, 162,765.45 and 41,960.70 is: 62,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,542.70 : 162,765.45 = 41,960.70 : x
  2. Step 2: Convert to fraction form
    108,542.70/162,765.45 = 41,960.70/x
  3. Step 3: Cross multiply
    108,542.70x = 162,765.45 × 41,960.70
  4. Step 4: Simplify right side
    108,542.70x = 6,829,752,217.82
  5. Step 5: Solve for x
    x = 6,829,752,217.82/108,542.70
  6. Step 6: Final answer
    x = 62,922.26

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1.5x scale

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.