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Finding the Fourth Proportional to 231.96, 348.01 and 95.02

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Solution

The fourth proportional to 231.96, 348.01 and 95.02 is: 142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.96 : 348.01 = 95.02 : x
  2. Step 2: Convert to fraction form
    231.96/348.01 = 95.02/x
  3. Step 3: Cross multiply
    231.96x = 348.01 × 95.02
  4. Step 4: Simplify right side
    231.96x = 33,067.91
  5. Step 5: Solve for x
    x = 33,067.91/231.96
  6. Step 6: Final answer
    x = 142.56

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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.