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Finding the Fourth Proportional to 181.97, 272.76 and 116.94

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Solution

The fourth proportional to 181.97, 272.76 and 116.94 is: 175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.97 : 272.76 = 116.94 : x
  2. Step 2: Convert to fraction form
    181.97/272.76 = 116.94/x
  3. Step 3: Cross multiply
    181.97x = 272.76 × 116.94
  4. Step 4: Simplify right side
    181.97x = 31,896.55
  5. Step 5: Solve for x
    x = 31,896.55/181.97
  6. Step 6: Final answer
    x = 175.29

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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.