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Finding the Fourth Proportional to 182.89, 252.30 and 112.96

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Solution

The fourth proportional to 182.89, 252.30 and 112.96 is: 155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.89 : 252.30 = 112.96 : x
  2. Step 2: Convert to fraction form
    182.89/252.30 = 112.96/x
  3. Step 3: Cross multiply
    182.89x = 252.30 × 112.96
  4. Step 4: Simplify right side
    182.89x = 28,499.81
  5. Step 5: Solve for x
    x = 28,499.81/182.89
  6. Step 6: Final answer
    x = 155.83

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Why These Related Problems?

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