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Finding the Fourth Proportional to 108,847.80, 163,271.70 and 80,854.20

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Solution

The fourth proportional to 108,847.80, 163,271.70 and 80,854.20 is: 121,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,847.80 : 163,271.70 = 80,854.20 : x
  2. Step 2: Convert to fraction form
    108,847.80/163,271.70 = 80,854.20/x
  3. Step 3: Cross multiply
    108,847.80x = 163,271.70 × 80,854.20
  4. Step 4: Simplify right side
    108,847.80x = 13,201,202,686.14
  5. Step 5: Solve for x
    x = 13,201,202,686.14/108,847.80
  6. Step 6: Final answer
    x = 121,281.30

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