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Finding the Fourth Proportional to 106.68, 160.01 and 34.53

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Solution

The fourth proportional to 106.68, 160.01 and 34.53 is: 51.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.68 : 160.01 = 34.53 : x
  2. Step 2: Convert to fraction form
    106.68/160.01 = 34.53/x
  3. Step 3: Cross multiply
    106.68x = 160.01 × 34.53
  4. Step 4: Simplify right side
    106.68x = 5,524.97
  5. Step 5: Solve for x
    x = 5,524.97/106.68
  6. Step 6: Final answer
    x = 51.79

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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.