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Finding the Fourth Proportional to 106.76, 160.14 and 34.63

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Solution

The fourth proportional to 106.76, 160.14 and 34.63 is: 51.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.76 : 160.14 = 34.63 : x
  2. Step 2: Convert to fraction form
    106.76/160.14 = 34.63/x
  3. Step 3: Cross multiply
    106.76x = 160.14 × 34.63
  4. Step 4: Simplify right side
    106.76x = 5,545.65
  5. Step 5: Solve for x
    x = 5,545.65/106.76
  6. Step 6: Final answer
    x = 51.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.