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Finding the Fourth Proportional to 70,371.68, 105,558.24 and 17,781.23

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Solution

The fourth proportional to 70,371.68, 105,558.24 and 17,781.23 is: 26,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,371.68 : 105,558.24 = 17,781.23 : x
  2. Step 2: Convert to fraction form
    70,371.68/105,558.24 = 17,781.23/x
  3. Step 3: Cross multiply
    70,371.68x = 105,558.24 × 17,781.23
  4. Step 4: Simplify right side
    70,371.68x = 1,876,955,343.84
  5. Step 5: Solve for x
    x = 1,876,955,343.84/70,371.68
  6. Step 6: Final answer
    x = 26,672.03

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