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Finding the Fourth Proportional to 119,694.87, 179,318.07 and 107,371.13

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Solution

The fourth proportional to 119,694.87, 179,318.07 and 107,371.13 is: 160,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,694.87 : 179,318.07 = 107,371.13 : x
  2. Step 2: Convert to fraction form
    119,694.87/179,318.07 = 107,371.13/x
  3. Step 3: Cross multiply
    119,694.87x = 179,318.07 × 107,371.13
  4. Step 4: Simplify right side
    119,694.87x = 19,253,582,908.73
  5. Step 5: Solve for x
    x = 19,253,582,908.73/119,694.87
  6. Step 6: Final answer
    x = 160,855.54

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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.