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Finding the Fourth Proportional to 183.92, 275.24 and 111.92

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Solution

The fourth proportional to 183.92, 275.24 and 111.92 is: 167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.92 : 275.24 = 111.92 : x
  2. Step 2: Convert to fraction form
    183.92/275.24 = 111.92/x
  3. Step 3: Cross multiply
    183.92x = 275.24 × 111.92
  4. Step 4: Simplify right side
    183.92x = 30,804.86
  5. Step 5: Solve for x
    x = 30,804.86/183.92
  6. Step 6: Final answer
    x = 167.49

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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.