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Finding the Fourth Proportional to 222,529.87, 333,847.32 and 72,769.58

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Solution

The fourth proportional to 222,529.87, 333,847.32 and 72,769.58 is: 109,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,529.87 : 333,847.32 = 72,769.58 : x
  2. Step 2: Convert to fraction form
    222,529.87/333,847.32 = 72,769.58/x
  3. Step 3: Cross multiply
    222,529.87x = 333,847.32 × 72,769.58
  4. Step 4: Simplify right side
    222,529.87x = 24,293,928,570.33
  5. Step 5: Solve for x
    x = 24,293,928,570.33/222,529.87
  6. Step 6: Final answer
    x = 109,171.54

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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.