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Finding the Fourth Proportional to 77,614.88, 116,324.94 and 33,189.40

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Solution

The fourth proportional to 77,614.88, 116,324.94 and 33,189.40 is: 49,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,614.88 : 116,324.94 = 33,189.40 : x
  2. Step 2: Convert to fraction form
    77,614.88/116,324.94 = 33,189.40/x
  3. Step 3: Cross multiply
    77,614.88x = 116,324.94 × 33,189.40
  4. Step 4: Simplify right side
    77,614.88x = 3,860,754,299.14
  5. Step 5: Solve for x
    x = 3,860,754,299.14/77,614.88
  6. Step 6: Final answer
    x = 49,742.45

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