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Finding the Fourth Proportional to 202,504.70, 303,757.05 and 52,743.80

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Solution

The fourth proportional to 202,504.70, 303,757.05 and 52,743.80 is: 79,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,504.70 : 303,757.05 = 52,743.80 : x
  2. Step 2: Convert to fraction form
    202,504.70/303,757.05 = 52,743.80/x
  3. Step 3: Cross multiply
    202,504.70x = 303,757.05 × 52,743.80
  4. Step 4: Simplify right side
    202,504.70x = 16,021,301,093.79
  5. Step 5: Solve for x
    x = 16,021,301,093.79/202,504.70
  6. Step 6: Final answer
    x = 79,115.70

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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.