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Finding the Fourth Proportional to 74,307.33, 111,270.67 and 40,990.37

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Solution

The fourth proportional to 74,307.33, 111,270.67 and 40,990.37 is: 61,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,307.33 : 111,270.67 = 40,990.37 : x
  2. Step 2: Convert to fraction form
    74,307.33/111,270.67 = 40,990.37/x
  3. Step 3: Cross multiply
    74,307.33x = 111,270.67 × 40,990.37
  4. Step 4: Simplify right side
    74,307.33x = 4,561,025,274.62
  5. Step 5: Solve for x
    x = 4,561,025,274.62/74,307.33
  6. Step 6: Final answer
    x = 61,380.56

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