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Finding the Fourth Proportional to 182.70, 274.05 and 181.44

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Solution

The fourth proportional to 182.70, 274.05 and 181.44 is: 272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.70 : 274.05 = 181.44 : x
  2. Step 2: Convert to fraction form
    182.70/274.05 = 181.44/x
  3. Step 3: Cross multiply
    182.70x = 274.05 × 181.44
  4. Step 4: Simplify right side
    182.70x = 49,723.63
  5. Step 5: Solve for x
    x = 49,723.63/182.70
  6. Step 6: Final answer
    x = 272.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.