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Finding the Fourth Proportional to 103,755.39, 155,654.96 and 33,629.24

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Solution

The fourth proportional to 103,755.39, 155,654.96 and 33,629.24 is: 50,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,755.39 : 155,654.96 = 33,629.24 : x
  2. Step 2: Convert to fraction form
    103,755.39/155,654.96 = 33,629.24/x
  3. Step 3: Cross multiply
    103,755.39x = 155,654.96 × 33,629.24
  4. Step 4: Simplify right side
    103,755.39x = 5,234,557,736.87
  5. Step 5: Solve for x
    x = 5,234,557,736.87/103,755.39
  6. Step 6: Final answer
    x = 50,450.95

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1.5x scale

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.