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Finding the Fourth Proportional to 71,366.10, 106,919.55 and 43,631.70

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Solution

The fourth proportional to 71,366.10, 106,919.55 and 43,631.70 is: 65,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.10 : 106,919.55 = 43,631.70 : x
  2. Step 2: Convert to fraction form
    71,366.10/106,919.55 = 43,631.70/x
  3. Step 3: Cross multiply
    71,366.10x = 106,919.55 × 43,631.70
  4. Step 4: Simplify right side
    71,366.10x = 4,665,081,729.74
  5. Step 5: Solve for x
    x = 4,665,081,729.74/71,366.10
  6. Step 6: Final answer
    x = 65,368.32

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