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Finding the Fourth Proportional to 192.04, 264.33 and 163.85

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Solution

The fourth proportional to 192.04, 264.33 and 163.85 is: 225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.04 : 264.33 = 163.85 : x
  2. Step 2: Convert to fraction form
    192.04/264.33 = 163.85/x
  3. Step 3: Cross multiply
    192.04x = 264.33 × 163.85
  4. Step 4: Simplify right side
    192.04x = 43,309.15
  5. Step 5: Solve for x
    x = 43,309.15/192.04
  6. Step 6: Final answer
    x = 225.52

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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.