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Finding the Fourth Proportional to 167.22, 229.10 and 160.74

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Solution

The fourth proportional to 167.22, 229.10 and 160.74 is: 220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.22 : 229.10 = 160.74 : x
  2. Step 2: Convert to fraction form
    167.22/229.10 = 160.74/x
  3. Step 3: Cross multiply
    167.22x = 229.10 × 160.74
  4. Step 4: Simplify right side
    167.22x = 36,824.73
  5. Step 5: Solve for x
    x = 36,824.73/167.22
  6. Step 6: Final answer
    x = 220.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.