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Finding the Fourth Proportional to 79,025.63, 109,057.19 and 48,831.66

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Solution

The fourth proportional to 79,025.63, 109,057.19 and 48,831.66 is: 67,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,025.63 : 109,057.19 = 48,831.66 : x
  2. Step 2: Convert to fraction form
    79,025.63/109,057.19 = 48,831.66/x
  3. Step 3: Cross multiply
    79,025.63x = 109,057.19 × 48,831.66
  4. Step 4: Simplify right side
    79,025.63x = 5,325,443,378.48
  5. Step 5: Solve for x
    x = 5,325,443,378.48/79,025.63
  6. Step 6: Final answer
    x = 67,388.82

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