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Finding the Fourth Proportional to 267.51, 401.06 and 113.34

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Solution

The fourth proportional to 267.51, 401.06 and 113.34 is: 169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.51 : 401.06 = 113.34 : x
  2. Step 2: Convert to fraction form
    267.51/401.06 = 113.34/x
  3. Step 3: Cross multiply
    267.51x = 401.06 × 113.34
  4. Step 4: Simplify right side
    267.51x = 45,455.27
  5. Step 5: Solve for x
    x = 45,455.27/267.51
  6. Step 6: Final answer
    x = 169.92

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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.