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Finding the Fourth Proportional to 192.20, 264.66 and 181.52

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Solution

The fourth proportional to 192.20, 264.66 and 181.52 is: 249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.20 : 264.66 = 181.52 : x
  2. Step 2: Convert to fraction form
    192.20/264.66 = 181.52/x
  3. Step 3: Cross multiply
    192.20x = 264.66 × 181.52
  4. Step 4: Simplify right side
    192.20x = 48,041.08
  5. Step 5: Solve for x
    x = 48,041.08/192.20
  6. Step 6: Final answer
    x = 249.95

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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.