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Finding the Fourth Proportional to 90,196.60, 135,348.78 and 48,107.92

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Solution

The fourth proportional to 90,196.60, 135,348.78 and 48,107.92 is: 72,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196.60 : 135,348.78 = 48,107.92 : x
  2. Step 2: Convert to fraction form
    90,196.60/135,348.78 = 48,107.92/x
  3. Step 3: Cross multiply
    90,196.60x = 135,348.78 × 48,107.92
  4. Step 4: Simplify right side
    90,196.60x = 6,511,348,280.34
  5. Step 5: Solve for x
    x = 6,511,348,280.34/90,196.60
  6. Step 6: Final answer
    x = 72,190.62

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