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Finding the Fourth Proportional to 230,976.20, 346,420.56 and 97,860.80

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Solution

The fourth proportional to 230,976.20, 346,420.56 and 97,860.80 is: 146,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,976.20 : 346,420.56 = 97,860.80 : x
  2. Step 2: Convert to fraction form
    230,976.20/346,420.56 = 97,860.80/x
  3. Step 3: Cross multiply
    230,976.20x = 346,420.56 × 97,860.80
  4. Step 4: Simplify right side
    230,976.20x = 33,900,993,138.05
  5. Step 5: Solve for x
    x = 33,900,993,138.05/230,976.20
  6. Step 6: Final answer
    x = 146,772.67

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