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Finding the Fourth Proportional to 219,651.80, 303,119.34 and 119,049.88

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Solution

The fourth proportional to 219,651.80, 303,119.34 and 119,049.88 is: 164,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,651.80 : 303,119.34 = 119,049.88 : x
  2. Step 2: Convert to fraction form
    219,651.80/303,119.34 = 119,049.88/x
  3. Step 3: Cross multiply
    219,651.80x = 303,119.34 × 119,049.88
  4. Step 4: Simplify right side
    219,651.80x = 36,086,321,052.68
  5. Step 5: Solve for x
    x = 36,086,321,052.68/219,651.80
  6. Step 6: Final answer
    x = 164,288.76

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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.