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Finding the Fourth Proportional to 101,408.90, 151,980.23 and 74,629.49

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Solution

The fourth proportional to 101,408.90, 151,980.23 and 74,629.49 is: 111,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,408.90 : 151,980.23 = 74,629.49 : x
  2. Step 2: Convert to fraction form
    101,408.90/151,980.23 = 74,629.49/x
  3. Step 3: Cross multiply
    101,408.90x = 151,980.23 × 74,629.49
  4. Step 4: Simplify right side
    101,408.90x = 11,342,207,054.98
  5. Step 5: Solve for x
    x = 11,342,207,054.98/101,408.90
  6. Step 6: Final answer
    x = 111,846.27

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