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Finding the Fourth Proportional to 69,428.76, 95,810.94 and 39,214.14

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Solution

The fourth proportional to 69,428.76, 95,810.94 and 39,214.14 is: 54,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,428.76 : 95,810.94 = 39,214.14 : x
  2. Step 2: Convert to fraction form
    69,428.76/95,810.94 = 39,214.14/x
  3. Step 3: Cross multiply
    69,428.76x = 95,810.94 × 39,214.14
  4. Step 4: Simplify right side
    69,428.76x = 3,757,143,614.69
  5. Step 5: Solve for x
    x = 3,757,143,614.69/69,428.76
  6. Step 6: Final answer
    x = 54,115.09

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