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Finding the Fourth Proportional to 119,481.89, 179,223.33 and 48,405.90

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Solution

The fourth proportional to 119,481.89, 179,223.33 and 48,405.90 is: 72,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,481.89 : 179,223.33 = 48,405.90 : x
  2. Step 2: Convert to fraction form
    119,481.89/179,223.33 = 48,405.90/x
  3. Step 3: Cross multiply
    119,481.89x = 179,223.33 × 48,405.90
  4. Step 4: Simplify right side
    119,481.89x = 8,675,466,589.65
  5. Step 5: Solve for x
    x = 8,675,466,589.65/119,481.89
  6. Step 6: Final answer
    x = 72,609.05

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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.