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Finding the Fourth Proportional to 445,285.60, 667,928.40 and 112,861.60

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Solution

The fourth proportional to 445,285.60, 667,928.40 and 112,861.60 is: 169,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,285.60 : 667,928.40 = 112,861.60 : x
  2. Step 2: Convert to fraction form
    445,285.60/667,928.40 = 112,861.60/x
  3. Step 3: Cross multiply
    445,285.60x = 667,928.40 × 112,861.60
  4. Step 4: Simplify right side
    445,285.60x = 75,383,467,909.44
  5. Step 5: Solve for x
    x = 75,383,467,909.44/445,285.60
  6. Step 6: Final answer
    x = 169,292.40

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