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Finding the Fourth Proportional to 281,377.83, 422,110.89 and 91,794.44

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Solution

The fourth proportional to 281,377.83, 422,110.89 and 91,794.44 is: 137,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,377.83 : 422,110.89 = 91,794.44 : x
  2. Step 2: Convert to fraction form
    281,377.83/422,110.89 = 91,794.44/x
  3. Step 3: Cross multiply
    281,377.83x = 422,110.89 × 91,794.44
  4. Step 4: Simplify right side
    281,377.83x = 38,747,432,306.48
  5. Step 5: Solve for x
    x = 38,747,432,306.48/281,377.83
  6. Step 6: Final answer
    x = 137,706.06

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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.