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Finding the Fourth Proportional to 248.44, 372.28 and 166.98

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Solution

The fourth proportional to 248.44, 372.28 and 166.98 is: 250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.44 : 372.28 = 166.98 : x
  2. Step 2: Convert to fraction form
    248.44/372.28 = 166.98/x
  3. Step 3: Cross multiply
    248.44x = 372.28 × 166.98
  4. Step 4: Simplify right side
    248.44x = 62,163.31
  5. Step 5: Solve for x
    x = 62,163.31/248.44
  6. Step 6: Final answer
    x = 250.21

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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.