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Finding the Fourth Proportional to 108,956.01, 150,351.21 and 61,217.31

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Solution

The fourth proportional to 108,956.01, 150,351.21 and 61,217.31 is: 84,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,956.01 : 150,351.21 = 61,217.31 : x
  2. Step 2: Convert to fraction form
    108,956.01/150,351.21 = 61,217.31/x
  3. Step 3: Cross multiply
    108,956.01x = 150,351.21 × 61,217.31
  4. Step 4: Simplify right side
    108,956.01x = 9,204,096,631.45
  5. Step 5: Solve for x
    x = 9,204,096,631.45/108,956.01
  6. Step 6: Final answer
    x = 84,475.35

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