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Finding the Fourth Proportional to 248.25, 372.53 and 167.63

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Solution

The fourth proportional to 248.25, 372.53 and 167.63 is: 251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.25 : 372.53 = 167.63 : x
  2. Step 2: Convert to fraction form
    248.25/372.53 = 167.63/x
  3. Step 3: Cross multiply
    248.25x = 372.53 × 167.63
  4. Step 4: Simplify right side
    248.25x = 62,444.50
  5. Step 5: Solve for x
    x = 62,444.50/248.25
  6. Step 6: Final answer
    x = 251.54

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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.