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Finding the Fourth Proportional to 156,978.37, 235,425.99 and 68,211.08

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Solution

The fourth proportional to 156,978.37, 235,425.99 and 68,211.08 is: 102,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,978.37 : 235,425.99 = 68,211.08 : x
  2. Step 2: Convert to fraction form
    156,978.37/235,425.99 = 68,211.08/x
  3. Step 3: Cross multiply
    156,978.37x = 235,425.99 × 68,211.08
  4. Step 4: Simplify right side
    156,978.37x = 16,058,661,037.97
  5. Step 5: Solve for x
    x = 16,058,661,037.97/156,978.37
  6. Step 6: Final answer
    x = 102,298.56

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