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Finding the Fourth Proportional to 202,127.60, 303,234.60 and 61,900.40

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Solution

The fourth proportional to 202,127.60, 303,234.60 and 61,900.40 is: 92,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,127.60 : 303,234.60 = 61,900.40 : x
  2. Step 2: Convert to fraction form
    202,127.60/303,234.60 = 61,900.40/x
  3. Step 3: Cross multiply
    202,127.60x = 303,234.60 × 61,900.40
  4. Step 4: Simplify right side
    202,127.60x = 18,770,343,033.84
  5. Step 5: Solve for x
    x = 18,770,343,033.84/202,127.60
  6. Step 6: Final answer
    x = 92,863.83

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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.