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Finding the Fourth Proportional to 267.05, 368.52 and 150.61

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Solution

The fourth proportional to 267.05, 368.52 and 150.61 is: 207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.05 : 368.52 = 150.61 : x
  2. Step 2: Convert to fraction form
    267.05/368.52 = 150.61/x
  3. Step 3: Cross multiply
    267.05x = 368.52 × 150.61
  4. Step 4: Simplify right side
    267.05x = 55,503.27
  5. Step 5: Solve for x
    x = 55,503.27/267.05
  6. Step 6: Final answer
    x = 207.84

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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.