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Finding the Fourth Proportional to 74,571.15, 111,856.65 and 35,131.33

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Solution

The fourth proportional to 74,571.15, 111,856.65 and 35,131.33 is: 52,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.15 : 111,856.65 = 35,131.33 : x
  2. Step 2: Convert to fraction form
    74,571.15/111,856.65 = 35,131.33/x
  3. Step 3: Cross multiply
    74,571.15x = 111,856.65 × 35,131.33
  4. Step 4: Simplify right side
    74,571.15x = 3,929,672,883.84
  5. Step 5: Solve for x
    x = 3,929,672,883.84/74,571.15
  6. Step 6: Final answer
    x = 52,696.96

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