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Finding the Fourth Proportional to 160.06, 240.20 and 63.88

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Solution

The fourth proportional to 160.06, 240.20 and 63.88 is: 95.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.06 : 240.20 = 63.88 : x
  2. Step 2: Convert to fraction form
    160.06/240.20 = 63.88/x
  3. Step 3: Cross multiply
    160.06x = 240.20 × 63.88
  4. Step 4: Simplify right side
    160.06x = 15,343.98
  5. Step 5: Solve for x
    x = 15,343.98/160.06
  6. Step 6: Final answer
    x = 95.86

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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.