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Finding the Fourth Proportional to 366.11, 549.17 and 109.61

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Solution

The fourth proportional to 366.11, 549.17 and 109.61 is: 164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.11 : 549.17 = 109.61 : x
  2. Step 2: Convert to fraction form
    366.11/549.17 = 109.61/x
  3. Step 3: Cross multiply
    366.11x = 549.17 × 109.61
  4. Step 4: Simplify right side
    366.11x = 60,191.23
  5. Step 5: Solve for x
    x = 60,191.23/366.11
  6. Step 6: Final answer
    x = 164.41

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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.