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Finding the Fourth Proportional to 194,691.12, 291,992.64 and 89,408.88

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Solution

The fourth proportional to 194,691.12, 291,992.64 and 89,408.88 is: 134,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,691.12 : 291,992.64 = 89,408.88 : x
  2. Step 2: Convert to fraction form
    194,691.12/291,992.64 = 89,408.88/x
  3. Step 3: Cross multiply
    194,691.12x = 291,992.64 × 89,408.88
  4. Step 4: Simplify right side
    194,691.12x = 26,106,734,910.64
  5. Step 5: Solve for x
    x = 26,106,734,910.64/194,691.12
  6. Step 6: Final answer
    x = 134,093.10

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