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Finding the Fourth Proportional to 181.83, 272.61 and 95.06

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Solution

The fourth proportional to 181.83, 272.61 and 95.06 is: 142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.83 : 272.61 = 95.06 : x
  2. Step 2: Convert to fraction form
    181.83/272.61 = 95.06/x
  3. Step 3: Cross multiply
    181.83x = 272.61 × 95.06
  4. Step 4: Simplify right side
    181.83x = 25,912.94
  5. Step 5: Solve for x
    x = 25,912.94/181.83
  6. Step 6: Final answer
    x = 142.51

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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.