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Finding the Fourth Proportional to 262,487.97, 362,230.25 and 149,310.45

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Solution

The fourth proportional to 262,487.97, 362,230.25 and 149,310.45 is: 206,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,487.97 : 362,230.25 = 149,310.45 : x
  2. Step 2: Convert to fraction form
    262,487.97/362,230.25 = 149,310.45/x
  3. Step 3: Cross multiply
    262,487.97x = 362,230.25 × 149,310.45
  4. Step 4: Simplify right side
    262,487.97x = 54,084,760,884.56
  5. Step 5: Solve for x
    x = 54,084,760,884.56/262,487.97
  6. Step 6: Final answer
    x = 206,046.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.