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Finding the Fourth Proportional to 67,091.20, 100,636.80 and 62,022.40

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Solution

The fourth proportional to 67,091.20, 100,636.80 and 62,022.40 is: 93,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,091.20 : 100,636.80 = 62,022.40 : x
  2. Step 2: Convert to fraction form
    67,091.20/100,636.80 = 62,022.40/x
  3. Step 3: Cross multiply
    67,091.20x = 100,636.80 × 62,022.40
  4. Step 4: Simplify right side
    67,091.20x = 6,241,735,864.32
  5. Step 5: Solve for x
    x = 6,241,735,864.32/67,091.20
  6. Step 6: Final answer
    x = 93,033.60

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