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Finding the Fourth Proportional to 200,450.70, 300,676.05 and 60,191.10

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Solution

The fourth proportional to 200,450.70, 300,676.05 and 60,191.10 is: 90,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,450.70 : 300,676.05 = 60,191.10 : x
  2. Step 2: Convert to fraction form
    200,450.70/300,676.05 = 60,191.10/x
  3. Step 3: Cross multiply
    200,450.70x = 300,676.05 × 60,191.10
  4. Step 4: Simplify right side
    200,450.70x = 18,098,022,193.16
  5. Step 5: Solve for x
    x = 18,098,022,193.16/200,450.70
  6. Step 6: Final answer
    x = 90,286.65

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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.