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Finding the Fourth Proportional to 51,215.78, 70,652.65 and 34,224.19

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Solution

The fourth proportional to 51,215.78, 70,652.65 and 34,224.19 is: 47,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.78 : 70,652.65 = 34,224.19 : x
  2. Step 2: Convert to fraction form
    51,215.78/70,652.65 = 34,224.19/x
  3. Step 3: Cross multiply
    51,215.78x = 70,652.65 × 34,224.19
  4. Step 4: Simplify right side
    51,215.78x = 2,418,029,720.36
  5. Step 5: Solve for x
    x = 2,418,029,720.36/51,215.78
  6. Step 6: Final answer
    x = 47,212.60

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