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Finding the Fourth Proportional to 275,359.44, 412,938.24 and 95,398.39

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Solution

The fourth proportional to 275,359.44, 412,938.24 and 95,398.39 is: 143,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,359.44 : 412,938.24 = 95,398.39 : x
  2. Step 2: Convert to fraction form
    275,359.44/412,938.24 = 95,398.39/x
  3. Step 3: Cross multiply
    275,359.44x = 412,938.24 × 95,398.39
  4. Step 4: Simplify right side
    275,359.44x = 39,393,643,265.43
  5. Step 5: Solve for x
    x = 39,393,643,265.43/275,359.44
  6. Step 6: Final answer
    x = 143,062.62

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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.