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Finding the Fourth Proportional to 220,232.57, 303,912.83 and 119,628.41

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Solution

The fourth proportional to 220,232.57, 303,912.83 and 119,628.41 is: 165,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,232.57 : 303,912.83 = 119,628.41 : x
  2. Step 2: Convert to fraction form
    220,232.57/303,912.83 = 119,628.41/x
  3. Step 3: Cross multiply
    220,232.57x = 303,912.83 × 119,628.41
  4. Step 4: Simplify right side
    220,232.57x = 36,356,608,033.36
  5. Step 5: Solve for x
    x = 36,356,608,033.36/220,232.57
  6. Step 6: Final answer
    x = 165,082.79

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1.5x scale

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.