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Finding the Fourth Proportional to 119,578.92, 179,390.45 and 49,463.70

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Solution

The fourth proportional to 119,578.92, 179,390.45 and 49,463.70 is: 74,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,578.92 : 179,390.45 = 49,463.70 : x
  2. Step 2: Convert to fraction form
    119,578.92/179,390.45 = 49,463.70/x
  3. Step 3: Cross multiply
    119,578.92x = 179,390.45 × 49,463.70
  4. Step 4: Simplify right side
    119,578.92x = 8,873,315,401.67
  5. Step 5: Solve for x
    x = 8,873,315,401.67/119,578.92
  6. Step 6: Final answer
    x = 74,204.68

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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.