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Finding the Fourth Proportional to 184.91, 277.38 and 63.18

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Solution

The fourth proportional to 184.91, 277.38 and 63.18 is: 94.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.91 : 277.38 = 63.18 : x
  2. Step 2: Convert to fraction form
    184.91/277.38 = 63.18/x
  3. Step 3: Cross multiply
    184.91x = 277.38 × 63.18
  4. Step 4: Simplify right side
    184.91x = 17,524.87
  5. Step 5: Solve for x
    x = 17,524.87/184.91
  6. Step 6: Final answer
    x = 94.78

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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.