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Finding the Fourth Proportional to 160.01, 239.84 and 63.71

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Solution

The fourth proportional to 160.01, 239.84 and 63.71 is: 95.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.01 : 239.84 = 63.71 : x
  2. Step 2: Convert to fraction form
    160.01/239.84 = 63.71/x
  3. Step 3: Cross multiply
    160.01x = 239.84 × 63.71
  4. Step 4: Simplify right side
    160.01x = 15,279.89
  5. Step 5: Solve for x
    x = 15,279.89/160.01
  6. Step 6: Final answer
    x = 95.49

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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.