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Finding the Fourth Proportional to 372,063.68, 558,098.56 and 119,344.54

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Solution

The fourth proportional to 372,063.68, 558,098.56 and 119,344.54 is: 179,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,063.68 : 558,098.56 = 119,344.54 : x
  2. Step 2: Convert to fraction form
    372,063.68/558,098.56 = 119,344.54/x
  3. Step 3: Cross multiply
    372,063.68x = 558,098.56 × 119,344.54
  4. Step 4: Simplify right side
    372,063.68x = 66,606,015,046.92
  5. Step 5: Solve for x
    x = 66,606,015,046.92/372,063.68
  6. Step 6: Final answer
    x = 179,017.78

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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.