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Finding the Fourth Proportional to 119,873.92, 179,891.13 and 49,753.30

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Solution

The fourth proportional to 119,873.92, 179,891.13 and 49,753.30 is: 74,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873.92 : 179,891.13 = 49,753.30 : x
  2. Step 2: Convert to fraction form
    119,873.92/179,891.13 = 49,753.30/x
  3. Step 3: Cross multiply
    119,873.92x = 179,891.13 × 49,753.30
  4. Step 4: Simplify right side
    119,873.92x = 8,950,176,458.77
  5. Step 5: Solve for x
    x = 8,950,176,458.77/119,873.92
  6. Step 6: Final answer
    x = 74,663.25

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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.