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Finding the Fourth Proportional to 174.24, 240.30 and 167.22

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Solution

The fourth proportional to 174.24, 240.30 and 167.22 is: 230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.24 : 240.30 = 167.22 : x
  2. Step 2: Convert to fraction form
    174.24/240.30 = 167.22/x
  3. Step 3: Cross multiply
    174.24x = 240.30 × 167.22
  4. Step 4: Simplify right side
    174.24x = 40,182.97
  5. Step 5: Solve for x
    x = 40,182.97/174.24
  6. Step 6: Final answer
    x = 230.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.