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Finding the Fourth Proportional to 194.55, 292.01 and 133.53

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Solution

The fourth proportional to 194.55, 292.01 and 133.53 is: 200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.55 : 292.01 = 133.53 : x
  2. Step 2: Convert to fraction form
    194.55/292.01 = 133.53/x
  3. Step 3: Cross multiply
    194.55x = 292.01 × 133.53
  4. Step 4: Simplify right side
    194.55x = 38,991.43
  5. Step 5: Solve for x
    x = 38,991.43/194.55
  6. Step 6: Final answer
    x = 200.42

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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.