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Finding the Fourth Proportional to 168,140.98, 232,099.32 and 123,176.09

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Solution

The fourth proportional to 168,140.98, 232,099.32 and 123,176.09 is: 170,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,140.98 : 232,099.32 = 123,176.09 : x
  2. Step 2: Convert to fraction form
    168,140.98/232,099.32 = 123,176.09/x
  3. Step 3: Cross multiply
    168,140.98x = 232,099.32 × 123,176.09
  4. Step 4: Simplify right side
    168,140.98x = 28,589,086,729.26
  5. Step 5: Solve for x
    x = 28,589,086,729.26/168,140.98
  6. Step 6: Final answer
    x = 170,030.45

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