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Finding the Fourth Proportional to 69,540.48, 95,978.15 and 40,860.14

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Solution

The fourth proportional to 69,540.48, 95,978.15 and 40,860.14 is: 56,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,540.48 : 95,978.15 = 40,860.14 : x
  2. Step 2: Convert to fraction form
    69,540.48/95,978.15 = 40,860.14/x
  3. Step 3: Cross multiply
    69,540.48x = 95,978.15 × 40,860.14
  4. Step 4: Simplify right side
    69,540.48x = 3,921,680,557.29
  5. Step 5: Solve for x
    x = 3,921,680,557.29/69,540.48
  6. Step 6: Final answer
    x = 56,394.21

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