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Finding the Fourth Proportional to 103,448.68, 155,198.94 and 33,326.44

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Solution

The fourth proportional to 103,448.68, 155,198.94 and 33,326.44 is: 49,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,448.68 : 155,198.94 = 33,326.44 : x
  2. Step 2: Convert to fraction form
    103,448.68/155,198.94 = 33,326.44/x
  3. Step 3: Cross multiply
    103,448.68x = 155,198.94 × 33,326.44
  4. Step 4: Simplify right side
    103,448.68x = 5,172,228,161.97
  5. Step 5: Solve for x
    x = 5,172,228,161.97/103,448.68
  6. Step 6: Final answer
    x = 49,998.01

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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.