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Finding the Fourth Proportional to 182.81, 252.16 and 109.15

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Solution

The fourth proportional to 182.81, 252.16 and 109.15 is: 150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.81 : 252.16 = 109.15 : x
  2. Step 2: Convert to fraction form
    182.81/252.16 = 109.15/x
  3. Step 3: Cross multiply
    182.81x = 252.16 × 109.15
  4. Step 4: Simplify right side
    182.81x = 27,522.36
  5. Step 5: Solve for x
    x = 27,522.36/182.81
  6. Step 6: Final answer
    x = 150.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.