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Finding the Fourth Proportional to 201.97, 302.37 and 150.84

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Solution

The fourth proportional to 201.97, 302.37 and 150.84 is: 225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.97 : 302.37 = 150.84 : x
  2. Step 2: Convert to fraction form
    201.97/302.37 = 150.84/x
  3. Step 3: Cross multiply
    201.97x = 302.37 × 150.84
  4. Step 4: Simplify right side
    201.97x = 45,609.49
  5. Step 5: Solve for x
    x = 45,609.49/201.97
  6. Step 6: Final answer
    x = 225.82

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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.