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Finding the Fourth Proportional to 119,569.92, 179,364.14 and 48,458.70

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Solution

The fourth proportional to 119,569.92, 179,364.14 and 48,458.70 is: 72,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,569.92 : 179,364.14 = 48,458.70 : x
  2. Step 2: Convert to fraction form
    119,569.92/179,364.14 = 48,458.70/x
  3. Step 3: Cross multiply
    119,569.92x = 179,364.14 × 48,458.70
  4. Step 4: Simplify right side
    119,569.92x = 8,691,753,620.58
  5. Step 5: Solve for x
    x = 8,691,753,620.58/119,569.92
  6. Step 6: Final answer
    x = 72,691.81

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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.