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Finding the Fourth Proportional to 91,223.20, 125,900.64 and 50,939.57

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Solution

The fourth proportional to 91,223.20, 125,900.64 and 50,939.57 is: 70,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,223.20 : 125,900.64 = 50,939.57 : x
  2. Step 2: Convert to fraction form
    91,223.20/125,900.64 = 50,939.57/x
  3. Step 3: Cross multiply
    91,223.20x = 125,900.64 × 50,939.57
  4. Step 4: Simplify right side
    91,223.20x = 6,413,324,464.32
  5. Step 5: Solve for x
    x = 6,413,324,464.32/91,223.20
  6. Step 6: Final answer
    x = 70,303.66

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