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Finding the Fourth Proportional to 80,995.22, 121,493.91 and 28,406.24

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Solution

The fourth proportional to 80,995.22, 121,493.91 and 28,406.24 is: 42,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,995.22 : 121,493.91 = 28,406.24 : x
  2. Step 2: Convert to fraction form
    80,995.22/121,493.91 = 28,406.24/x
  3. Step 3: Cross multiply
    80,995.22x = 121,493.91 × 28,406.24
  4. Step 4: Simplify right side
    80,995.22x = 3,451,185,166.00
  5. Step 5: Solve for x
    x = 3,451,185,166.00/80,995.22
  6. Step 6: Final answer
    x = 42,609.74

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