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Finding the Fourth Proportional to 231,003.70, 346,246.35 and 131,211.70

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Solution

The fourth proportional to 231,003.70, 346,246.35 and 131,211.70 is: 196,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,003.70 : 346,246.35 = 131,211.70 : x
  2. Step 2: Convert to fraction form
    231,003.70/346,246.35 = 131,211.70/x
  3. Step 3: Cross multiply
    231,003.70x = 346,246.35 × 131,211.70
  4. Step 4: Simplify right side
    231,003.70x = 45,431,572,202.30
  5. Step 5: Solve for x
    x = 45,431,572,202.30/231,003.70
  6. Step 6: Final answer
    x = 196,670.32

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