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Finding the Fourth Proportional to 171,086.73, 256,664.25 and 52,753.56

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Solution

The fourth proportional to 171,086.73, 256,664.25 and 52,753.56 is: 79,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,086.73 : 256,664.25 = 52,753.56 : x
  2. Step 2: Convert to fraction form
    171,086.73/256,664.25 = 52,753.56/x
  3. Step 3: Cross multiply
    171,086.73x = 256,664.25 × 52,753.56
  4. Step 4: Simplify right side
    171,086.73x = 13,539,952,912.23
  5. Step 5: Solve for x
    x = 13,539,952,912.23/171,086.73
  6. Step 6: Final answer
    x = 79,140.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.