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Finding the Fourth Proportional to 115.92, 173.82 and 34.76

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Solution

The fourth proportional to 115.92, 173.82 and 34.76 is: 52.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.92 : 173.82 = 34.76 : x
  2. Step 2: Convert to fraction form
    115.92/173.82 = 34.76/x
  3. Step 3: Cross multiply
    115.92x = 173.82 × 34.76
  4. Step 4: Simplify right side
    115.92x = 6,041.11
  5. Step 5: Solve for x
    x = 6,041.11/115.92
  6. Step 6: Final answer
    x = 52.11

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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.