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Finding the Fourth Proportional to 133.04, 199.18 and 94.24

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Solution

The fourth proportional to 133.04, 199.18 and 94.24 is: 141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.04 : 199.18 = 94.24 : x
  2. Step 2: Convert to fraction form
    133.04/199.18 = 94.24/x
  3. Step 3: Cross multiply
    133.04x = 199.18 × 94.24
  4. Step 4: Simplify right side
    133.04x = 18,770.72
  5. Step 5: Solve for x
    x = 18,770.72/133.04
  6. Step 6: Final answer
    x = 141.09

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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.