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Finding the Fourth Proportional to 79,491.15, 109,673.87 and 47,648.43

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Solution

The fourth proportional to 79,491.15, 109,673.87 and 47,648.43 is: 65,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,491.15 : 109,673.87 = 47,648.43 : x
  2. Step 2: Convert to fraction form
    79,491.15/109,673.87 = 47,648.43/x
  3. Step 3: Cross multiply
    79,491.15x = 109,673.87 × 47,648.43
  4. Step 4: Simplify right side
    79,491.15x = 5,225,787,479.28
  5. Step 5: Solve for x
    x = 5,225,787,479.28/79,491.15
  6. Step 6: Final answer
    x = 65,740.49

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