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Finding the Fourth Proportional to 118,310.92, 163,099.46 and 72,958.44

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Solution

The fourth proportional to 118,310.92, 163,099.46 and 72,958.44 is: 100,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,310.92 : 163,099.46 = 72,958.44 : x
  2. Step 2: Convert to fraction form
    118,310.92/163,099.46 = 72,958.44/x
  3. Step 3: Cross multiply
    118,310.92x = 163,099.46 × 72,958.44
  4. Step 4: Simplify right side
    118,310.92x = 11,899,482,166.44
  5. Step 5: Solve for x
    x = 11,899,482,166.44/118,310.92
  6. Step 6: Final answer
    x = 100,578.05

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