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Finding the Fourth Proportional to 170.92, 235.84 and 96.22

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Solution

The fourth proportional to 170.92, 235.84 and 96.22 is: 132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.92 : 235.84 = 96.22 : x
  2. Step 2: Convert to fraction form
    170.92/235.84 = 96.22/x
  3. Step 3: Cross multiply
    170.92x = 235.84 × 96.22
  4. Step 4: Simplify right side
    170.92x = 22,692.04
  5. Step 5: Solve for x
    x = 22,692.04/170.92
  6. Step 6: Final answer
    x = 132.76

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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.