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Finding the Fourth Proportional to 267.08, 368.42 and 173.64

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Solution

The fourth proportional to 267.08, 368.42 and 173.64 is: 239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.08 : 368.42 = 173.64 : x
  2. Step 2: Convert to fraction form
    267.08/368.42 = 173.64/x
  3. Step 3: Cross multiply
    267.08x = 368.42 × 173.64
  4. Step 4: Simplify right side
    267.08x = 63,972.45
  5. Step 5: Solve for x
    x = 63,972.45/267.08
  6. Step 6: Final answer
    x = 239.53

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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.