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Finding the Fourth Proportional to 168,954.78, 253,502.64 and 74,135.98

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Solution

The fourth proportional to 168,954.78, 253,502.64 and 74,135.98 is: 111,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,954.78 : 253,502.64 = 74,135.98 : x
  2. Step 2: Convert to fraction form
    168,954.78/253,502.64 = 74,135.98/x
  3. Step 3: Cross multiply
    168,954.78x = 253,502.64 × 74,135.98
  4. Step 4: Simplify right side
    168,954.78x = 18,793,666,015.23
  5. Step 5: Solve for x
    x = 18,793,666,015.23/168,954.78
  6. Step 6: Final answer
    x = 111,234.89

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