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Finding the Fourth Proportional to 192.17, 264.75 and 181.91

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Solution

The fourth proportional to 192.17, 264.75 and 181.91 is: 250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.17 : 264.75 = 181.91 : x
  2. Step 2: Convert to fraction form
    192.17/264.75 = 181.91/x
  3. Step 3: Cross multiply
    192.17x = 264.75 × 181.91
  4. Step 4: Simplify right side
    192.17x = 48,160.67
  5. Step 5: Solve for x
    x = 48,160.67/192.17
  6. Step 6: Final answer
    x = 250.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.