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Finding the Fourth Proportional to 225,165.38, 338,134.44 and 199,921.94

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Solution

The fourth proportional to 225,165.38, 338,134.44 and 199,921.94 is: 300,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,165.38 : 338,134.44 = 199,921.94 : x
  2. Step 2: Convert to fraction form
    225,165.38/338,134.44 = 199,921.94/x
  3. Step 3: Cross multiply
    225,165.38x = 338,134.44 × 199,921.94
  4. Step 4: Simplify right side
    225,165.38x = 67,600,493,225.61
  5. Step 5: Solve for x
    x = 67,600,493,225.61/225,165.38
  6. Step 6: Final answer
    x = 300,225.96

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1.5x scale

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.