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Finding the Fourth Proportional to 159.26, 238.88 and 63.14

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Solution

The fourth proportional to 159.26, 238.88 and 63.14 is: 94.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.26 : 238.88 = 63.14 : x
  2. Step 2: Convert to fraction form
    159.26/238.88 = 63.14/x
  3. Step 3: Cross multiply
    159.26x = 238.88 × 63.14
  4. Step 4: Simplify right side
    159.26x = 15,082.88
  5. Step 5: Solve for x
    x = 15,082.88/159.26
  6. Step 6: Final answer
    x = 94.71

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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.