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Finding the Fourth Proportional to 72,102.16, 108,153.48 and 22,181.92

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Solution

The fourth proportional to 72,102.16, 108,153.48 and 22,181.92 is: 33,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,102.16 : 108,153.48 = 22,181.92 : x
  2. Step 2: Convert to fraction form
    72,102.16/108,153.48 = 22,181.92/x
  3. Step 3: Cross multiply
    72,102.16x = 108,153.48 × 22,181.92
  4. Step 4: Simplify right side
    72,102.16x = 2,399,051,841.08
  5. Step 5: Solve for x
    x = 2,399,051,841.08/72,102.16
  6. Step 6: Final answer
    x = 33,272.95

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