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Finding the Fourth Proportional to 139,057.36, 208,462.34 and 50,291.13

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Solution

The fourth proportional to 139,057.36, 208,462.34 and 50,291.13 is: 75,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,057.36 : 208,462.34 = 50,291.13 : x
  2. Step 2: Convert to fraction form
    139,057.36/208,462.34 = 50,291.13/x
  3. Step 3: Cross multiply
    139,057.36x = 208,462.34 × 50,291.13
  4. Step 4: Simplify right side
    139,057.36x = 10,483,806,389.59
  5. Step 5: Solve for x
    x = 10,483,806,389.59/139,057.36
  6. Step 6: Final answer
    x = 75,391.96

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