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Finding the Fourth Proportional to 271,809.60, 407,714.40 and 72,160.80

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Solution

The fourth proportional to 271,809.60, 407,714.40 and 72,160.80 is: 108,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,809.60 : 407,714.40 = 72,160.80 : x
  2. Step 2: Convert to fraction form
    271,809.60/407,714.40 = 72,160.80/x
  3. Step 3: Cross multiply
    271,809.60x = 407,714.40 × 72,160.80
  4. Step 4: Simplify right side
    271,809.60x = 29,420,997,275.52
  5. Step 5: Solve for x
    x = 29,420,997,275.52/271,809.60
  6. Step 6: Final answer
    x = 108,241.20

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