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Finding the Fourth Proportional to 184.92, 255.14 and 126.92

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Solution

The fourth proportional to 184.92, 255.14 and 126.92 is: 175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.92 : 255.14 = 126.92 : x
  2. Step 2: Convert to fraction form
    184.92/255.14 = 126.92/x
  3. Step 3: Cross multiply
    184.92x = 255.14 × 126.92
  4. Step 4: Simplify right side
    184.92x = 32,382.37
  5. Step 5: Solve for x
    x = 32,382.37/184.92
  6. Step 6: Final answer
    x = 175.12

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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.