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Finding the Fourth Proportional to 202,503.60, 303,755.40 and 165,105.90

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Solution

The fourth proportional to 202,503.60, 303,755.40 and 165,105.90 is: 247,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,503.60 : 303,755.40 = 165,105.90 : x
  2. Step 2: Convert to fraction form
    202,503.60/303,755.40 = 165,105.90/x
  3. Step 3: Cross multiply
    202,503.60x = 303,755.40 × 165,105.90
  4. Step 4: Simplify right side
    202,503.60x = 50,151,808,696.86
  5. Step 5: Solve for x
    x = 50,151,808,696.86/202,503.60
  6. Step 6: Final answer
    x = 247,658.85

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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.