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Finding the Fourth Proportional to 119,847.87, 179,793 and 40,943.61

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Solution

The fourth proportional to 119,847.87, 179,793 and 40,943.61 is: 61,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,847.87 : 179,793 = 40,943.61 : x
  2. Step 2: Convert to fraction form
    119,847.87/179,793 = 40,943.61/x
  3. Step 3: Cross multiply
    119,847.87x = 179,793 × 40,943.61
  4. Step 4: Simplify right side
    119,847.87x = 7,361,374,472.73
  5. Step 5: Solve for x
    x = 7,361,374,472.73/119,847.87
  6. Step 6: Final answer
    x = 61,422.66

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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.