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Finding the Fourth Proportional to 263.58, 395.41 and 141.68

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Solution

The fourth proportional to 263.58, 395.41 and 141.68 is: 212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.58 : 395.41 = 141.68 : x
  2. Step 2: Convert to fraction form
    263.58/395.41 = 141.68/x
  3. Step 3: Cross multiply
    263.58x = 395.41 × 141.68
  4. Step 4: Simplify right side
    263.58x = 56,021.69
  5. Step 5: Solve for x
    x = 56,021.69/263.58
  6. Step 6: Final answer
    x = 212.54

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