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Finding the Fourth Proportional to 78,797.92, 118,218.75 and 43,762.18

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Solution

The fourth proportional to 78,797.92, 118,218.75 and 43,762.18 is: 65,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,797.92 : 118,218.75 = 43,762.18 : x
  2. Step 2: Convert to fraction form
    78,797.92/118,218.75 = 43,762.18/x
  3. Step 3: Cross multiply
    78,797.92x = 118,218.75 × 43,762.18
  4. Step 4: Simplify right side
    78,797.92x = 5,173,510,216.88
  5. Step 5: Solve for x
    x = 5,173,510,216.88/78,797.92
  6. Step 6: Final answer
    x = 65,655.42

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