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Finding the Fourth Proportional to 194.09, 267.84 and 150.48

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Solution

The fourth proportional to 194.09, 267.84 and 150.48 is: 207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.09 : 267.84 = 150.48 : x
  2. Step 2: Convert to fraction form
    194.09/267.84 = 150.48/x
  3. Step 3: Cross multiply
    194.09x = 267.84 × 150.48
  4. Step 4: Simplify right side
    194.09x = 40,304.56
  5. Step 5: Solve for x
    x = 40,304.56/194.09
  6. Step 6: Final answer
    x = 207.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.