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Finding the Fourth Proportional to 194.94, 292.21 and 185.33

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Solution

The fourth proportional to 194.94, 292.21 and 185.33 is: 277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.94 : 292.21 = 185.33 : x
  2. Step 2: Convert to fraction form
    194.94/292.21 = 185.33/x
  3. Step 3: Cross multiply
    194.94x = 292.21 × 185.33
  4. Step 4: Simplify right side
    194.94x = 54,155.55
  5. Step 5: Solve for x
    x = 54,155.55/194.94
  6. Step 6: Final answer
    x = 277.81

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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.