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Finding the Fourth Proportional to 194.82, 292.02 and 185.21

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Solution

The fourth proportional to 194.82, 292.02 and 185.21 is: 277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.82 : 292.02 = 185.21 : x
  2. Step 2: Convert to fraction form
    194.82/292.02 = 185.21/x
  3. Step 3: Cross multiply
    194.82x = 292.02 × 185.21
  4. Step 4: Simplify right side
    194.82x = 54,085.02
  5. Step 5: Solve for x
    x = 54,085.02/194.82
  6. Step 6: Final answer
    x = 277.62

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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.