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Finding the Fourth Proportional to 263.83, 395.92 and 92.83

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Solution

The fourth proportional to 263.83, 395.92 and 92.83 is: 139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.83 : 395.92 = 92.83 : x
  2. Step 2: Convert to fraction form
    263.83/395.92 = 92.83/x
  3. Step 3: Cross multiply
    263.83x = 395.92 × 92.83
  4. Step 4: Simplify right side
    263.83x = 36,753.25
  5. Step 5: Solve for x
    x = 36,753.25/263.83
  6. Step 6: Final answer
    x = 139.31

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