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Finding the Fourth Proportional to 167,626.80, 251,440.20 and 49,310.10

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Solution

The fourth proportional to 167,626.80, 251,440.20 and 49,310.10 is: 73,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,626.80 : 251,440.20 = 49,310.10 : x
  2. Step 2: Convert to fraction form
    167,626.80/251,440.20 = 49,310.10/x
  3. Step 3: Cross multiply
    167,626.80x = 251,440.20 × 49,310.10
  4. Step 4: Simplify right side
    167,626.80x = 12,398,541,406.02
  5. Step 5: Solve for x
    x = 12,398,541,406.02/167,626.80
  6. Step 6: Final answer
    x = 73,965.15

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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.