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Finding the Fourth Proportional to 193.80, 267.24 and 150.04

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Solution

The fourth proportional to 193.80, 267.24 and 150.04 is: 206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.80 : 267.24 = 150.04 : x
  2. Step 2: Convert to fraction form
    193.80/267.24 = 150.04/x
  3. Step 3: Cross multiply
    193.80x = 267.24 × 150.04
  4. Step 4: Simplify right side
    193.80x = 40,096.69
  5. Step 5: Solve for x
    x = 40,096.69/193.80
  6. Step 6: Final answer
    x = 206.90

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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.