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Finding the Fourth Proportional to 84,568.97, 126,860.94 and 22,239.47

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Solution

The fourth proportional to 84,568.97, 126,860.94 and 22,239.47 is: 33,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,568.97 : 126,860.94 = 22,239.47 : x
  2. Step 2: Convert to fraction form
    84,568.97/126,860.94 = 22,239.47/x
  3. Step 3: Cross multiply
    84,568.97x = 126,860.94 × 22,239.47
  4. Step 4: Simplify right side
    84,568.97x = 2,821,319,435.00
  5. Step 5: Solve for x
    x = 2,821,319,435.00/84,568.97
  6. Step 6: Final answer
    x = 33,361.17

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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.