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Finding the Fourth Proportional to 78,309.96, 108,067.83 and 42,500.00

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Solution

The fourth proportional to 78,309.96, 108,067.83 and 42,500.00 is: 58,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,309.96 : 108,067.83 = 42,500.00 : x
  2. Step 2: Convert to fraction form
    78,309.96/108,067.83 = 42,500.00/x
  3. Step 3: Cross multiply
    78,309.96x = 108,067.83 × 42,500.00
  4. Step 4: Simplify right side
    78,309.96x = 4,592,882,128.41
  5. Step 5: Solve for x
    x = 4,592,882,128.41/78,309.96
  6. Step 6: Final answer
    x = 58,650.04

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