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Finding the Fourth Proportional to 79,439.57, 109,580.85 and 47,590.02

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Solution

The fourth proportional to 79,439.57, 109,580.85 and 47,590.02 is: 65,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439.57 : 109,580.85 = 47,590.02 : x
  2. Step 2: Convert to fraction form
    79,439.57/109,580.85 = 47,590.02/x
  3. Step 3: Cross multiply
    79,439.57x = 109,580.85 × 47,590.02
  4. Step 4: Simplify right side
    79,439.57x = 5,214,954,843.12
  5. Step 5: Solve for x
    x = 5,214,954,843.12/79,439.57
  6. Step 6: Final answer
    x = 65,646.82

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