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Finding the Fourth Proportional to 181.92, 272.85 and 60.26

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Solution

The fourth proportional to 181.92, 272.85 and 60.26 is: 90.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.92 : 272.85 = 60.26 : x
  2. Step 2: Convert to fraction form
    181.92/272.85 = 60.26/x
  3. Step 3: Cross multiply
    181.92x = 272.85 × 60.26
  4. Step 4: Simplify right side
    181.92x = 16,440.58
  5. Step 5: Solve for x
    x = 16,440.58/181.92
  6. Step 6: Final answer
    x = 90.37

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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.