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Finding the Fourth Proportional to 108,472.80, 162,693.72 and 41,944.20

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Solution

The fourth proportional to 108,472.80, 162,693.72 and 41,944.20 is: 62,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,472.80 : 162,693.72 = 41,944.20 : x
  2. Step 2: Convert to fraction form
    108,472.80/162,693.72 = 41,944.20/x
  3. Step 3: Cross multiply
    108,472.80x = 162,693.72 × 41,944.20
  4. Step 4: Simplify right side
    108,472.80x = 6,824,057,930.42
  5. Step 5: Solve for x
    x = 6,824,057,930.42/108,472.80
  6. Step 6: Final answer
    x = 62,910.31

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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.