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Finding the Fourth Proportional to 71,324.00, 106,985.88 and 21,404.00

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Solution

The fourth proportional to 71,324.00, 106,985.88 and 21,404.00 is: 32,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,324.00 : 106,985.88 = 21,404.00 : x
  2. Step 2: Convert to fraction form
    71,324.00/106,985.88 = 21,404.00/x
  3. Step 3: Cross multiply
    71,324.00x = 106,985.88 × 21,404.00
  4. Step 4: Simplify right side
    71,324.00x = 2,289,925,240.59
  5. Step 5: Solve for x
    x = 2,289,925,240.59/71,324.00
  6. Step 6: Final answer
    x = 32,105.96

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