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Finding the Fourth Proportional to 185.19, 277.82 and 63.44

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Solution

The fourth proportional to 185.19, 277.82 and 63.44 is: 95.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.19 : 277.82 = 63.44 : x
  2. Step 2: Convert to fraction form
    185.19/277.82 = 63.44/x
  3. Step 3: Cross multiply
    185.19x = 277.82 × 63.44
  4. Step 4: Simplify right side
    185.19x = 17,625.43
  5. Step 5: Solve for x
    x = 17,625.43/185.19
  6. Step 6: Final answer
    x = 95.18

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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.