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Finding the Fourth Proportional to 167,478.54, 251,217.24 and 67,637.62

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Solution

The fourth proportional to 167,478.54, 251,217.24 and 67,637.62 is: 101,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,478.54 : 251,217.24 = 67,637.62 : x
  2. Step 2: Convert to fraction form
    167,478.54/251,217.24 = 67,637.62/x
  3. Step 3: Cross multiply
    167,478.54x = 251,217.24 × 67,637.62
  4. Step 4: Simplify right side
    167,478.54x = 16,991,736,216.57
  5. Step 5: Solve for x
    x = 16,991,736,216.57/167,478.54
  6. Step 6: Final answer
    x = 101,456.20

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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.