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Finding the Fourth Proportional to 159.64, 239.50 and 63.48

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Solution

The fourth proportional to 159.64, 239.50 and 63.48 is: 95.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.64 : 239.50 = 63.48 : x
  2. Step 2: Convert to fraction form
    159.64/239.50 = 63.48/x
  3. Step 3: Cross multiply
    159.64x = 239.50 × 63.48
  4. Step 4: Simplify right side
    159.64x = 15,203.46
  5. Step 5: Solve for x
    x = 15,203.46/159.64
  6. Step 6: Final answer
    x = 95.24

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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.