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Finding the Fourth Proportional to 107,816.40, 161,782.20 and 48,661.20

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Solution

The fourth proportional to 107,816.40, 161,782.20 and 48,661.20 is: 73,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,816.40 : 161,782.20 = 48,661.20 : x
  2. Step 2: Convert to fraction form
    107,816.40/161,782.20 = 48,661.20/x
  3. Step 3: Cross multiply
    107,816.40x = 161,782.20 × 48,661.20
  4. Step 4: Simplify right side
    107,816.40x = 7,872,515,990.64
  5. Step 5: Solve for x
    x = 7,872,515,990.64/107,816.40
  6. Step 6: Final answer
    x = 73,017.80

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