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Finding the Fourth Proportional to 104,115.42, 156,015.45 and 68,929.02

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Solution

The fourth proportional to 104,115.42, 156,015.45 and 68,929.02 is: 103,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,115.42 : 156,015.45 = 68,929.02 : x
  2. Step 2: Convert to fraction form
    104,115.42/156,015.45 = 68,929.02/x
  3. Step 3: Cross multiply
    104,115.42x = 156,015.45 × 68,929.02
  4. Step 4: Simplify right side
    104,115.42x = 10,753,992,073.36
  5. Step 5: Solve for x
    x = 10,753,992,073.36/104,115.42
  6. Step 6: Final answer
    x = 103,289.14

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