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Finding the Fourth Proportional to 228,193.20, 341,998.20 and 109,609.20

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Solution

The fourth proportional to 228,193.20, 341,998.20 and 109,609.20 is: 164,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,193.20 : 341,998.20 = 109,609.20 : x
  2. Step 2: Convert to fraction form
    228,193.20/341,998.20 = 109,609.20/x
  3. Step 3: Cross multiply
    228,193.20x = 341,998.20 × 109,609.20
  4. Step 4: Simplify right side
    228,193.20x = 37,486,149,103.44
  5. Step 5: Solve for x
    x = 37,486,149,103.44/228,193.20
  6. Step 6: Final answer
    x = 164,273.73

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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.