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Finding the Fourth Proportional to 85,932.82, 128,889.68 and 26,763.54

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Solution

The fourth proportional to 85,932.82, 128,889.68 and 26,763.54 is: 40,142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,932.82 : 128,889.68 = 26,763.54 : x
  2. Step 2: Convert to fraction form
    85,932.82/128,889.68 = 26,763.54/x
  3. Step 3: Cross multiply
    85,932.82x = 128,889.68 × 26,763.54
  4. Step 4: Simplify right side
    85,932.82x = 3,449,544,106.27
  5. Step 5: Solve for x
    x = 3,449,544,106.27/85,932.82
  6. Step 6: Final answer
    x = 40,142.34

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