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Finding the Fourth Proportional to 267.20, 368.73 and 168.98

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Solution

The fourth proportional to 267.20, 368.73 and 168.98 is: 233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.20 : 368.73 = 168.98 : x
  2. Step 2: Convert to fraction form
    267.20/368.73 = 168.98/x
  3. Step 3: Cross multiply
    267.20x = 368.73 × 168.98
  4. Step 4: Simplify right side
    267.20x = 62,308.00
  5. Step 5: Solve for x
    x = 62,308.00/267.20
  6. Step 6: Final answer
    x = 233.19

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