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Finding the Fourth Proportional to 249.15, 373.72 and 167.41

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Solution

The fourth proportional to 249.15, 373.72 and 167.41 is: 251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.15 : 373.72 = 167.41 : x
  2. Step 2: Convert to fraction form
    249.15/373.72 = 167.41/x
  3. Step 3: Cross multiply
    249.15x = 373.72 × 167.41
  4. Step 4: Simplify right side
    249.15x = 62,564.47
  5. Step 5: Solve for x
    x = 62,564.47/249.15
  6. Step 6: Final answer
    x = 251.11

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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.