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Finding the Fourth Proportional to 193,003.98, 289,407.21 and 80,653.51

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Solution

The fourth proportional to 193,003.98, 289,407.21 and 80,653.51 is: 120,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,003.98 : 289,407.21 = 80,653.51 : x
  2. Step 2: Convert to fraction form
    193,003.98/289,407.21 = 80,653.51/x
  3. Step 3: Cross multiply
    193,003.98x = 289,407.21 × 80,653.51
  4. Step 4: Simplify right side
    193,003.98x = 23,341,707,305.81
  5. Step 5: Solve for x
    x = 23,341,707,305.81/193,003.98
  6. Step 6: Final answer
    x = 120,938.99

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