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Finding the Fourth Proportional to 103,361.82, 155,042.73 and 33,251.46

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Solution

The fourth proportional to 103,361.82, 155,042.73 and 33,251.46 is: 49,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,361.82 : 155,042.73 = 33,251.46 : x
  2. Step 2: Convert to fraction form
    103,361.82/155,042.73 = 33,251.46/x
  3. Step 3: Cross multiply
    103,361.82x = 155,042.73 × 33,251.46
  4. Step 4: Simplify right side
    103,361.82x = 5,155,397,134.89
  5. Step 5: Solve for x
    x = 5,155,397,134.89/103,361.82
  6. Step 6: Final answer
    x = 49,877.19

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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.