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Finding the Fourth Proportional to 205,744.28, 308,552.37 and 72,593.34

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Solution

The fourth proportional to 205,744.28, 308,552.37 and 72,593.34 is: 108,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,744.28 : 308,552.37 = 72,593.34 : x
  2. Step 2: Convert to fraction form
    205,744.28/308,552.37 = 72,593.34/x
  3. Step 3: Cross multiply
    205,744.28x = 308,552.37 × 72,593.34
  4. Step 4: Simplify right side
    205,744.28x = 22,398,848,260.29
  5. Step 5: Solve for x
    x = 22,398,848,260.29/205,744.28
  6. Step 6: Final answer
    x = 108,867.42

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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.