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Finding the Fourth Proportional to 83,354.88, 125,036.64 and 21,025.92

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Solution

The fourth proportional to 83,354.88, 125,036.64 and 21,025.92 is: 31,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,354.88 : 125,036.64 = 21,025.92 : x
  2. Step 2: Convert to fraction form
    83,354.88/125,036.64 = 21,025.92/x
  3. Step 3: Cross multiply
    83,354.88x = 125,036.64 × 21,025.92
  4. Step 4: Simplify right side
    83,354.88x = 2,629,010,389.71
  5. Step 5: Solve for x
    x = 2,629,010,389.71/83,354.88
  6. Step 6: Final answer
    x = 31,539.97

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