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Finding the Fourth Proportional to 248.98, 372.76 and 167.66

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Solution

The fourth proportional to 248.98, 372.76 and 167.66 is: 251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.98 : 372.76 = 167.66 : x
  2. Step 2: Convert to fraction form
    248.98/372.76 = 167.66/x
  3. Step 3: Cross multiply
    248.98x = 372.76 × 167.66
  4. Step 4: Simplify right side
    248.98x = 62,496.94
  5. Step 5: Solve for x
    x = 62,496.94/248.98
  6. Step 6: Final answer
    x = 251.01

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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.