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Finding the Fourth Proportional to 145,244.40, 217,866.60 and 108,380.40

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Solution

The fourth proportional to 145,244.40, 217,866.60 and 108,380.40 is: 162,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,244.40 : 217,866.60 = 108,380.40 : x
  2. Step 2: Convert to fraction form
    145,244.40/217,866.60 = 108,380.40/x
  3. Step 3: Cross multiply
    145,244.40x = 217,866.60 × 108,380.40
  4. Step 4: Simplify right side
    145,244.40x = 23,612,469,254.64
  5. Step 5: Solve for x
    x = 23,612,469,254.64/145,244.40
  6. Step 6: Final answer
    x = 162,570.60

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