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Finding the Fourth Proportional to 167.10, 250.66 and 118.22

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Solution

The fourth proportional to 167.10, 250.66 and 118.22 is: 177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.10 : 250.66 = 118.22 : x
  2. Step 2: Convert to fraction form
    167.10/250.66 = 118.22/x
  3. Step 3: Cross multiply
    167.10x = 250.66 × 118.22
  4. Step 4: Simplify right side
    167.10x = 29,633.03
  5. Step 5: Solve for x
    x = 29,633.03/167.10
  6. Step 6: Final answer
    x = 177.34

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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.