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Finding the Fourth Proportional to 194.73, 291.84 and 92.04

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Solution

The fourth proportional to 194.73, 291.84 and 92.04 is: 137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.73 : 291.84 = 92.04 : x
  2. Step 2: Convert to fraction form
    194.73/291.84 = 92.04/x
  3. Step 3: Cross multiply
    194.73x = 291.84 × 92.04
  4. Step 4: Simplify right side
    194.73x = 26,860.95
  5. Step 5: Solve for x
    x = 26,860.95/194.73
  6. Step 6: Final answer
    x = 137.94

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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.