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Finding the Fourth Proportional to 194.75, 292.02 and 92.01

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Solution

The fourth proportional to 194.75, 292.02 and 92.01 is: 137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.75 : 292.02 = 92.01 : x
  2. Step 2: Convert to fraction form
    194.75/292.02 = 92.01/x
  3. Step 3: Cross multiply
    194.75x = 292.02 × 92.01
  4. Step 4: Simplify right side
    194.75x = 26,868.56
  5. Step 5: Solve for x
    x = 26,868.56/194.75
  6. Step 6: Final answer
    x = 137.96

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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.