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Finding the Fourth Proportional to 108,514.80, 162,772.20 and 71,311.56

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Solution

The fourth proportional to 108,514.80, 162,772.20 and 71,311.56 is: 106,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,514.80 : 162,772.20 = 71,311.56 : x
  2. Step 2: Convert to fraction form
    108,514.80/162,772.20 = 71,311.56/x
  3. Step 3: Cross multiply
    108,514.80x = 162,772.20 × 71,311.56
  4. Step 4: Simplify right side
    108,514.80x = 11,607,539,506.63
  5. Step 5: Solve for x
    x = 11,607,539,506.63/108,514.80
  6. Step 6: Final answer
    x = 106,967.34

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