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Finding the Fourth Proportional to 267.15, 400.60 and 93.76

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Solution

The fourth proportional to 267.15, 400.60 and 93.76 is: 140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.15 : 400.60 = 93.76 : x
  2. Step 2: Convert to fraction form
    267.15/400.60 = 93.76/x
  3. Step 3: Cross multiply
    267.15x = 400.60 × 93.76
  4. Step 4: Simplify right side
    267.15x = 37,558.84
  5. Step 5: Solve for x
    x = 37,558.84/267.15
  6. Step 6: Final answer
    x = 140.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.