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Finding the Fourth Proportional to 137,018.82, 189,110.04 and 79,675.89

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Solution

The fourth proportional to 137,018.82, 189,110.04 and 79,675.89 is: 109,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,018.82 : 189,110.04 = 79,675.89 : x
  2. Step 2: Convert to fraction form
    137,018.82/189,110.04 = 79,675.89/x
  3. Step 3: Cross multiply
    137,018.82x = 189,110.04 × 79,675.89
  4. Step 4: Simplify right side
    137,018.82x = 15,067,509,401.01
  5. Step 5: Solve for x
    x = 15,067,509,401.01/137,018.82
  6. Step 6: Final answer
    x = 109,966.71

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