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Finding the Fourth Proportional to 206,842.31, 285,446.24 and 114,970.20

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Solution

The fourth proportional to 206,842.31, 285,446.24 and 114,970.20 is: 158,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,842.31 : 285,446.24 = 114,970.20 : x
  2. Step 2: Convert to fraction form
    206,842.31/285,446.24 = 114,970.20/x
  3. Step 3: Cross multiply
    206,842.31x = 285,446.24 × 114,970.20
  4. Step 4: Simplify right side
    206,842.31x = 32,817,811,302.05
  5. Step 5: Solve for x
    x = 32,817,811,302.05/206,842.31
  6. Step 6: Final answer
    x = 158,661.02

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