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Finding the Fourth Proportional to 72,813.84, 109,221.36 and 22,892.76

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Solution

The fourth proportional to 72,813.84, 109,221.36 and 22,892.76 is: 34,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813.84 : 109,221.36 = 22,892.76 : x
  2. Step 2: Convert to fraction form
    72,813.84/109,221.36 = 22,892.76/x
  3. Step 3: Cross multiply
    72,813.84x = 109,221.36 × 22,892.76
  4. Step 4: Simplify right side
    72,813.84x = 2,500,378,381.35
  5. Step 5: Solve for x
    x = 2,500,378,381.35/72,813.84
  6. Step 6: Final answer
    x = 34,339.33

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