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Finding the Fourth Proportional to 249.21, 374.16 and 167.01

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Solution

The fourth proportional to 249.21, 374.16 and 167.01 is: 250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.21 : 374.16 = 167.01 : x
  2. Step 2: Convert to fraction form
    249.21/374.16 = 167.01/x
  3. Step 3: Cross multiply
    249.21x = 374.16 × 167.01
  4. Step 4: Simplify right side
    249.21x = 62,487.30
  5. Step 5: Solve for x
    x = 62,487.30/249.21
  6. Step 6: Final answer
    x = 250.74

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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.