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Finding the Fourth Proportional to 267.28, 368.62 and 173.94

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Solution

The fourth proportional to 267.28, 368.62 and 173.94 is: 239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.28 : 368.62 = 173.94 : x
  2. Step 2: Convert to fraction form
    267.28/368.62 = 173.94/x
  3. Step 3: Cross multiply
    267.28x = 368.62 × 173.94
  4. Step 4: Simplify right side
    267.28x = 64,117.76
  5. Step 5: Solve for x
    x = 64,117.76/267.28
  6. Step 6: Final answer
    x = 239.89

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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.