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Finding the Fourth Proportional to 70,523.78, 105,786.06 and 17,933.30

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Solution

The fourth proportional to 70,523.78, 105,786.06 and 17,933.30 is: 26,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,523.78 : 105,786.06 = 17,933.30 : x
  2. Step 2: Convert to fraction form
    70,523.78/105,786.06 = 17,933.30/x
  3. Step 3: Cross multiply
    70,523.78x = 105,786.06 × 17,933.30
  4. Step 4: Simplify right side
    70,523.78x = 1,897,093,149.80
  5. Step 5: Solve for x
    x = 1,897,093,149.80/70,523.78
  6. Step 6: Final answer
    x = 26,900.05

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