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Finding the Fourth Proportional to 169.44, 234.90 and 167.01

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Solution

The fourth proportional to 169.44, 234.90 and 167.01 is: 231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.44 : 234.90 = 167.01 : x
  2. Step 2: Convert to fraction form
    169.44/234.90 = 167.01/x
  3. Step 3: Cross multiply
    169.44x = 234.90 × 167.01
  4. Step 4: Simplify right side
    169.44x = 39,231.09
  5. Step 5: Solve for x
    x = 39,231.09/169.44
  6. Step 6: Final answer
    x = 231.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.