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Finding the Fourth Proportional to 159,009.20, 238,512.12 and 40,679.60

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Solution

The fourth proportional to 159,009.20, 238,512.12 and 40,679.60 is: 61,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,009.20 : 238,512.12 = 40,679.60 : x
  2. Step 2: Convert to fraction form
    159,009.20/238,512.12 = 40,679.60/x
  3. Step 3: Cross multiply
    159,009.20x = 238,512.12 × 40,679.60
  4. Step 4: Simplify right side
    159,009.20x = 9,702,577,636.75
  5. Step 5: Solve for x
    x = 9,702,577,636.75/159,009.20
  6. Step 6: Final answer
    x = 61,018.97

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