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Finding the Fourth Proportional to 202,338.90, 303,481.69 and 62,085.78

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Solution

The fourth proportional to 202,338.90, 303,481.69 and 62,085.78 is: 93,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,338.90 : 303,481.69 = 62,085.78 : x
  2. Step 2: Convert to fraction form
    202,338.90/303,481.69 = 62,085.78/x
  3. Step 3: Cross multiply
    202,338.90x = 303,481.69 × 62,085.78
  4. Step 4: Simplify right side
    202,338.90x = 18,841,897,439.37
  5. Step 5: Solve for x
    x = 18,841,897,439.37/202,338.90
  6. Step 6: Final answer
    x = 93,120.49

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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.