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Finding the Fourth Proportional to 65,221.20, 97,831.80 and 60,814.80

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Solution

The fourth proportional to 65,221.20, 97,831.80 and 60,814.80 is: 91,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,221.20 : 97,831.80 = 60,814.80 : x
  2. Step 2: Convert to fraction form
    65,221.20/97,831.80 = 60,814.80/x
  3. Step 3: Cross multiply
    65,221.20x = 97,831.80 × 60,814.80
  4. Step 4: Simplify right side
    65,221.20x = 5,949,621,350.64
  5. Step 5: Solve for x
    x = 5,949,621,350.64/65,221.20
  6. Step 6: Final answer
    x = 91,222.20

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