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Finding the Fourth Proportional to 160.01, 240.20 and 63.89

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Solution

The fourth proportional to 160.01, 240.20 and 63.89 is: 95.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.01 : 240.20 = 63.89 : x
  2. Step 2: Convert to fraction form
    160.01/240.20 = 63.89/x
  3. Step 3: Cross multiply
    160.01x = 240.20 × 63.89
  4. Step 4: Simplify right side
    160.01x = 15,346.06
  5. Step 5: Solve for x
    x = 15,346.06/160.01
  6. Step 6: Final answer
    x = 95.91

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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.