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Finding the Fourth Proportional to 264,209.28, 396,230.67 and 86,674.92

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Solution

The fourth proportional to 264,209.28, 396,230.67 and 86,674.92 is: 129,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,209.28 : 396,230.67 = 86,674.92 : x
  2. Step 2: Convert to fraction form
    264,209.28/396,230.67 = 86,674.92/x
  3. Step 3: Cross multiply
    264,209.28x = 396,230.67 × 86,674.92
  4. Step 4: Simplify right side
    264,209.28x = 34,343,261,623.80
  5. Step 5: Solve for x
    x = 34,343,261,623.80/264,209.28
  6. Step 6: Final answer
    x = 129,985.07

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