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Finding the Fourth Proportional to 88,963.65, 122,769.27 and 48,676.68

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Solution

The fourth proportional to 88,963.65, 122,769.27 and 48,676.68 is: 67,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,963.65 : 122,769.27 = 48,676.68 : x
  2. Step 2: Convert to fraction form
    88,963.65/122,769.27 = 48,676.68/x
  3. Step 3: Cross multiply
    88,963.65x = 122,769.27 × 48,676.68
  4. Step 4: Simplify right side
    88,963.65x = 5,976,000,469.62
  5. Step 5: Solve for x
    x = 5,976,000,469.62/88,963.65
  6. Step 6: Final answer
    x = 67,173.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.