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Finding the Fourth Proportional to 167.63, 252.43 and 146.22

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Solution

The fourth proportional to 167.63, 252.43 and 146.22 is: 220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.63 : 252.43 = 146.22 : x
  2. Step 2: Convert to fraction form
    167.63/252.43 = 146.22/x
  3. Step 3: Cross multiply
    167.63x = 252.43 × 146.22
  4. Step 4: Simplify right side
    167.63x = 36,909.58
  5. Step 5: Solve for x
    x = 36,909.58/167.63
  6. Step 6: Final answer
    x = 220.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.