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Finding the Fourth Proportional to 182.35, 251.63 and 112.41

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Solution

The fourth proportional to 182.35, 251.63 and 112.41 is: 155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.35 : 251.63 = 112.41 : x
  2. Step 2: Convert to fraction form
    182.35/251.63 = 112.41/x
  3. Step 3: Cross multiply
    182.35x = 251.63 × 112.41
  4. Step 4: Simplify right side
    182.35x = 28,286.64
  5. Step 5: Solve for x
    x = 28,286.64/182.35
  6. Step 6: Final answer
    x = 155.12

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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.