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Finding the Fourth Proportional to 221,741.92, 332,405.52 and 81,462.88

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Solution

The fourth proportional to 221,741.92, 332,405.52 and 81,462.88 is: 122,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,741.92 : 332,405.52 = 81,462.88 : x
  2. Step 2: Convert to fraction form
    221,741.92/332,405.52 = 81,462.88/x
  3. Step 3: Cross multiply
    221,741.92x = 332,405.52 × 81,462.88
  4. Step 4: Simplify right side
    221,741.92x = 27,078,710,987.10
  5. Step 5: Solve for x
    x = 27,078,710,987.10/221,741.92
  6. Step 6: Final answer
    x = 122,118.14

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