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Finding the Fourth Proportional to 267.10, 368.34 and 173.83

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Solution

The fourth proportional to 267.10, 368.34 and 173.83 is: 239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.10 : 368.34 = 173.83 : x
  2. Step 2: Convert to fraction form
    267.10/368.34 = 173.83/x
  3. Step 3: Cross multiply
    267.10x = 368.34 × 173.83
  4. Step 4: Simplify right side
    267.10x = 64,028.54
  5. Step 5: Solve for x
    x = 64,028.54/267.10
  6. Step 6: Final answer
    x = 239.72

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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.