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Finding the Fourth Proportional to 204,706.03, 307,016.68 and 54,910.71

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Solution

The fourth proportional to 204,706.03, 307,016.68 and 54,910.71 is: 82,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,706.03 : 307,016.68 = 54,910.71 : x
  2. Step 2: Convert to fraction form
    204,706.03/307,016.68 = 54,910.71/x
  3. Step 3: Cross multiply
    204,706.03x = 307,016.68 × 54,910.71
  4. Step 4: Simplify right side
    204,706.03x = 16,858,503,880.64
  5. Step 5: Solve for x
    x = 16,858,503,880.64/204,706.03
  6. Step 6: Final answer
    x = 82,354.70

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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.