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Finding the Fourth Proportional to 252,057.37, 347,834.79 and 137,336.97

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Solution

The fourth proportional to 252,057.37, 347,834.79 and 137,336.97 is: 189,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,057.37 : 347,834.79 = 137,336.97 : x
  2. Step 2: Convert to fraction form
    252,057.37/347,834.79 = 137,336.97/x
  3. Step 3: Cross multiply
    252,057.37x = 347,834.79 × 137,336.97
  4. Step 4: Simplify right side
    252,057.37x = 47,770,576,119.19
  5. Step 5: Solve for x
    x = 47,770,576,119.19/252,057.37
  6. Step 6: Final answer
    x = 189,522.63

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Why These Related Problems?

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