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Finding the Fourth Proportional to 167.22, 252.23 and 147.18

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Solution

The fourth proportional to 167.22, 252.23 and 147.18 is: 222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.22 : 252.23 = 147.18 : x
  2. Step 2: Convert to fraction form
    167.22/252.23 = 147.18/x
  3. Step 3: Cross multiply
    167.22x = 252.23 × 147.18
  4. Step 4: Simplify right side
    167.22x = 37,122.48
  5. Step 5: Solve for x
    x = 37,122.48/167.22
  6. Step 6: Final answer
    x = 222.00

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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.