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Finding the Fourth Proportional to 202,503.70, 303,755.55 and 52,742.80

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Solution

The fourth proportional to 202,503.70, 303,755.55 and 52,742.80 is: 79,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,503.70 : 303,755.55 = 52,742.80 : x
  2. Step 2: Convert to fraction form
    202,503.70/303,755.55 = 52,742.80/x
  3. Step 3: Cross multiply
    202,503.70x = 303,755.55 × 52,742.80
  4. Step 4: Simplify right side
    202,503.70x = 16,020,918,222.54
  5. Step 5: Solve for x
    x = 16,020,918,222.54/202,503.70
  6. Step 6: Final answer
    x = 79,114.20

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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.