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Finding the Fourth Proportional to 104,487.96, 144,230.18 and 62,046.20

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Solution

The fourth proportional to 104,487.96, 144,230.18 and 62,046.20 is: 85,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,487.96 : 144,230.18 = 62,046.20 : x
  2. Step 2: Convert to fraction form
    104,487.96/144,230.18 = 62,046.20/x
  3. Step 3: Cross multiply
    104,487.96x = 144,230.18 × 62,046.20
  4. Step 4: Simplify right side
    104,487.96x = 8,948,934,594.32
  5. Step 5: Solve for x
    x = 8,948,934,594.32/104,487.96
  6. Step 6: Final answer
    x = 85,645.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.