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Finding the Fourth Proportional to 185.11, 277.69 and 63.41

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Solution

The fourth proportional to 185.11, 277.69 and 63.41 is: 95.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.11 : 277.69 = 63.41 : x
  2. Step 2: Convert to fraction form
    185.11/277.69 = 63.41/x
  3. Step 3: Cross multiply
    185.11x = 277.69 × 63.41
  4. Step 4: Simplify right side
    185.11x = 17,608.32
  5. Step 5: Solve for x
    x = 17,608.32/185.11
  6. Step 6: Final answer
    x = 95.12

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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.