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Finding the Fourth Proportional to 172,840.86, 259,239.42 and 67,733.64

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Solution

The fourth proportional to 172,840.86, 259,239.42 and 67,733.64 is: 101,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,840.86 : 259,239.42 = 67,733.64 : x
  2. Step 2: Convert to fraction form
    172,840.86/259,239.42 = 67,733.64/x
  3. Step 3: Cross multiply
    172,840.86x = 259,239.42 × 67,733.64
  4. Step 4: Simplify right side
    172,840.86x = 17,559,229,548.09
  5. Step 5: Solve for x
    x = 17,559,229,548.09/172,840.86
  6. Step 6: Final answer
    x = 101,591.89

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