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Finding the Fourth Proportional to 160.97, 222.15 and 95.48

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Solution

The fourth proportional to 160.97, 222.15 and 95.48 is: 131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.97 : 222.15 = 95.48 : x
  2. Step 2: Convert to fraction form
    160.97/222.15 = 95.48/x
  3. Step 3: Cross multiply
    160.97x = 222.15 × 95.48
  4. Step 4: Simplify right side
    160.97x = 21,211.44
  5. Step 5: Solve for x
    x = 21,211.44/160.97
  6. Step 6: Final answer
    x = 131.77

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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.