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Finding the Fourth Proportional to 166,736.99, 230,129.43 and 126,380.36

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Solution

The fourth proportional to 166,736.99, 230,129.43 and 126,380.36 is: 174,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,736.99 : 230,129.43 = 126,380.36 : x
  2. Step 2: Convert to fraction form
    166,736.99/230,129.43 = 126,380.36/x
  3. Step 3: Cross multiply
    166,736.99x = 230,129.43 × 126,380.36
  4. Step 4: Simplify right side
    166,736.99x = 29,083,840,209.99
  5. Step 5: Solve for x
    x = 29,083,840,209.99/166,736.99
  6. Step 6: Final answer
    x = 174,429.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.