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Finding the Fourth Proportional to 106.73, 160.13 and 34.59

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Solution

The fourth proportional to 106.73, 160.13 and 34.59 is: 51.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.73 : 160.13 = 34.59 : x
  2. Step 2: Convert to fraction form
    106.73/160.13 = 34.59/x
  3. Step 3: Cross multiply
    106.73x = 160.13 × 34.59
  4. Step 4: Simplify right side
    106.73x = 5,539.39
  5. Step 5: Solve for x
    x = 5,539.39/106.73
  6. Step 6: Final answer
    x = 51.90

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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.