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Finding the Fourth Proportional to 159.44, 239.04 and 95.36

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Solution

The fourth proportional to 159.44, 239.04 and 95.36 is: 142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.44 : 239.04 = 95.36 : x
  2. Step 2: Convert to fraction form
    159.44/239.04 = 95.36/x
  3. Step 3: Cross multiply
    159.44x = 239.04 × 95.36
  4. Step 4: Simplify right side
    159.44x = 22,794.85
  5. Step 5: Solve for x
    x = 22,794.85/159.44
  6. Step 6: Final answer
    x = 142.97

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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.