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Finding the Fourth Proportional to 160.26, 221.14 and 97.24

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Solution

The fourth proportional to 160.26, 221.14 and 97.24 is: 134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.26 : 221.14 = 97.24 : x
  2. Step 2: Convert to fraction form
    160.26/221.14 = 97.24/x
  3. Step 3: Cross multiply
    160.26x = 221.14 × 97.24
  4. Step 4: Simplify right side
    160.26x = 21,503.65
  5. Step 5: Solve for x
    x = 21,503.65/160.26
  6. Step 6: Final answer
    x = 134.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.