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Finding the Fourth Proportional to 106.96, 160.44 and 34.82

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Solution

The fourth proportional to 106.96, 160.44 and 34.82 is: 52.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.96 : 160.44 = 34.82 : x
  2. Step 2: Convert to fraction form
    106.96/160.44 = 34.82/x
  3. Step 3: Cross multiply
    106.96x = 160.44 × 34.82
  4. Step 4: Simplify right side
    106.96x = 5,585.72
  5. Step 5: Solve for x
    x = 5,585.72/106.96
  6. Step 6: Final answer
    x = 52.22

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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.