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Finding the Fourth Proportional to 181.33, 272.00 and 44.38

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Solution

The fourth proportional to 181.33, 272.00 and 44.38 is: 66.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.33 : 272.00 = 44.38 : x
  2. Step 2: Convert to fraction form
    181.33/272.00 = 44.38/x
  3. Step 3: Cross multiply
    181.33x = 272.00 × 44.38
  4. Step 4: Simplify right side
    181.33x = 12,069.78
  5. Step 5: Solve for x
    x = 12,069.78/181.33
  6. Step 6: Final answer
    x = 66.56

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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.