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Finding the Fourth Proportional to 185.76, 277.92 and 134.52

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Solution

The fourth proportional to 185.76, 277.92 and 134.52 is: 201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.76 : 277.92 = 134.52 : x
  2. Step 2: Convert to fraction form
    185.76/277.92 = 134.52/x
  3. Step 3: Cross multiply
    185.76x = 277.92 × 134.52
  4. Step 4: Simplify right side
    185.76x = 37,385.80
  5. Step 5: Solve for x
    x = 37,385.80/185.76
  6. Step 6: Final answer
    x = 201.26

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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.