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Finding the Fourth Proportional to 268.94, 403.32 and 106.63

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Solution

The fourth proportional to 268.94, 403.32 and 106.63 is: 159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.94 : 403.32 = 106.63 : x
  2. Step 2: Convert to fraction form
    268.94/403.32 = 106.63/x
  3. Step 3: Cross multiply
    268.94x = 403.32 × 106.63
  4. Step 4: Simplify right side
    268.94x = 43,006.01
  5. Step 5: Solve for x
    x = 43,006.01/268.94
  6. Step 6: Final answer
    x = 159.91

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