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Finding the Fourth Proportional to 79,451.07, 109,642.98 and 43,640.76

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Solution

The fourth proportional to 79,451.07, 109,642.98 and 43,640.76 is: 60,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.07 : 109,642.98 = 43,640.76 : x
  2. Step 2: Convert to fraction form
    79,451.07/109,642.98 = 43,640.76/x
  3. Step 3: Cross multiply
    79,451.07x = 109,642.98 × 43,640.76
  4. Step 4: Simplify right side
    79,451.07x = 4,784,902,975.86
  5. Step 5: Solve for x
    x = 4,784,902,975.86/79,451.07
  6. Step 6: Final answer
    x = 60,224.53

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