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Finding the Fourth Proportional to 248.28, 372.50 and 167.44

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Solution

The fourth proportional to 248.28, 372.50 and 167.44 is: 251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.28 : 372.50 = 167.44 : x
  2. Step 2: Convert to fraction form
    248.28/372.50 = 167.44/x
  3. Step 3: Cross multiply
    248.28x = 372.50 × 167.44
  4. Step 4: Simplify right side
    248.28x = 62,371.40
  5. Step 5: Solve for x
    x = 62,371.40/248.28
  6. Step 6: Final answer
    x = 251.21

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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.