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Finding the Fourth Proportional to 126,601.60, 189,783.60 and 47,768.80

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Solution

The fourth proportional to 126,601.60, 189,783.60 and 47,768.80 is: 71,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,601.60 : 189,783.60 = 47,768.80 : x
  2. Step 2: Convert to fraction form
    126,601.60/189,783.60 = 47,768.80/x
  3. Step 3: Cross multiply
    126,601.60x = 189,783.60 × 47,768.80
  4. Step 4: Simplify right side
    126,601.60x = 9,065,734,831.68
  5. Step 5: Solve for x
    x = 9,065,734,831.68/126,601.60
  6. Step 6: Final answer
    x = 71,608.37

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