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Finding the Fourth Proportional to 149,859.60, 224,724.60 and 74,950.80

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Solution

The fourth proportional to 149,859.60, 224,724.60 and 74,950.80 is: 112,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,859.60 : 224,724.60 = 74,950.80 : x
  2. Step 2: Convert to fraction form
    149,859.60/224,724.60 = 74,950.80/x
  3. Step 3: Cross multiply
    149,859.60x = 224,724.60 × 74,950.80
  4. Step 4: Simplify right side
    149,859.60x = 16,843,288,549.68
  5. Step 5: Solve for x
    x = 16,843,288,549.68/149,859.60
  6. Step 6: Final answer
    x = 112,393.79

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