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Finding the Fourth Proportional to 227,676.30, 341,611.65 and 109,286.70

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Solution

The fourth proportional to 227,676.30, 341,611.65 and 109,286.70 is: 163,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,676.30 : 341,611.65 = 109,286.70 : x
  2. Step 2: Convert to fraction form
    227,676.30/341,611.65 = 109,286.70/x
  3. Step 3: Cross multiply
    227,676.30x = 341,611.65 × 109,286.70
  4. Step 4: Simplify right side
    227,676.30x = 37,333,609,910.06
  5. Step 5: Solve for x
    x = 37,333,609,910.06/227,676.30
  6. Step 6: Final answer
    x = 163,976.71

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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.