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Finding the Fourth Proportional to 267.96, 401.04 and 171.84

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Solution

The fourth proportional to 267.96, 401.04 and 171.84 is: 257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.96 : 401.04 = 171.84 : x
  2. Step 2: Convert to fraction form
    267.96/401.04 = 171.84/x
  3. Step 3: Cross multiply
    267.96x = 401.04 × 171.84
  4. Step 4: Simplify right side
    267.96x = 68,914.71
  5. Step 5: Solve for x
    x = 68,914.71/267.96
  6. Step 6: Final answer
    x = 257.18

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