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Finding the Fourth Proportional to 78,833.20, 118,249.80 and 67,023.40

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Solution

The fourth proportional to 78,833.20, 118,249.80 and 67,023.40 is: 100,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833.20 : 118,249.80 = 67,023.40 : x
  2. Step 2: Convert to fraction form
    78,833.20/118,249.80 = 67,023.40/x
  3. Step 3: Cross multiply
    78,833.20x = 118,249.80 × 67,023.40
  4. Step 4: Simplify right side
    78,833.20x = 7,925,503,645.32
  5. Step 5: Solve for x
    x = 7,925,503,645.32/78,833.20
  6. Step 6: Final answer
    x = 100,535.10

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