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Finding the Fourth Proportional to 202,207.70, 303,311.55 and 61,948.10

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Solution

The fourth proportional to 202,207.70, 303,311.55 and 61,948.10 is: 92,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,207.70 : 303,311.55 = 61,948.10 : x
  2. Step 2: Convert to fraction form
    202,207.70/303,311.55 = 61,948.10/x
  3. Step 3: Cross multiply
    202,207.70x = 303,311.55 × 61,948.10
  4. Step 4: Simplify right side
    202,207.70x = 18,789,574,230.56
  5. Step 5: Solve for x
    x = 18,789,574,230.56/202,207.70
  6. Step 6: Final answer
    x = 92,922.15

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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.