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Finding the Fourth Proportional to 119,356.62, 179,039.79 and 49,229.25

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Solution

The fourth proportional to 119,356.62, 179,039.79 and 49,229.25 is: 73,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,356.62 : 179,039.79 = 49,229.25 : x
  2. Step 2: Convert to fraction form
    119,356.62/179,039.79 = 49,229.25/x
  3. Step 3: Cross multiply
    119,356.62x = 179,039.79 × 49,229.25
  4. Step 4: Simplify right side
    119,356.62x = 8,813,994,581.86
  5. Step 5: Solve for x
    x = 8,813,994,581.86/119,356.62
  6. Step 6: Final answer
    x = 73,845.88

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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.