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Finding the Fourth Proportional to 181.52, 272.36 and 96

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Solution

The fourth proportional to 181.52, 272.36 and 96 is: 144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.52 : 272.36 = 96 : x
  2. Step 2: Convert to fraction form
    181.52/272.36 = 96/x
  3. Step 3: Cross multiply
    181.52x = 272.36 × 96
  4. Step 4: Simplify right side
    181.52x = 26,146.56
  5. Step 5: Solve for x
    x = 26,146.56/181.52
  6. Step 6: Final answer
    x = 144.04

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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.