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Finding the Fourth Proportional to 267.33, 368.78 and 168.92

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Solution

The fourth proportional to 267.33, 368.78 and 168.92 is: 233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.33 : 368.78 = 168.92 : x
  2. Step 2: Convert to fraction form
    267.33/368.78 = 168.92/x
  3. Step 3: Cross multiply
    267.33x = 368.78 × 168.92
  4. Step 4: Simplify right side
    267.33x = 62,291.63
  5. Step 5: Solve for x
    x = 62,291.63/267.33
  6. Step 6: Final answer
    x = 233.01

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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.