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Finding the Fourth Proportional to 202,930.46, 304,063.22 and 108,059.91

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Solution

The fourth proportional to 202,930.46, 304,063.22 and 108,059.91 is: 161,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,930.46 : 304,063.22 = 108,059.91 : x
  2. Step 2: Convert to fraction form
    202,930.46/304,063.22 = 108,059.91/x
  3. Step 3: Cross multiply
    202,930.46x = 304,063.22 × 108,059.91
  4. Step 4: Simplify right side
    202,930.46x = 32,857,043,647.21
  5. Step 5: Solve for x
    x = 32,857,043,647.21/202,930.46
  6. Step 6: Final answer
    x = 161,912.83

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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.