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Finding the Fourth Proportional to 231.36, 346.56 and 167.04

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Solution

The fourth proportional to 231.36, 346.56 and 167.04 is: 250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.36 : 346.56 = 167.04 : x
  2. Step 2: Convert to fraction form
    231.36/346.56 = 167.04/x
  3. Step 3: Cross multiply
    231.36x = 346.56 × 167.04
  4. Step 4: Simplify right side
    231.36x = 57,889.38
  5. Step 5: Solve for x
    x = 57,889.38/231.36
  6. Step 6: Final answer
    x = 250.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.