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Finding the Fourth Proportional to 68,982.33, 103,473.24 and 19,062.33

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Solution

The fourth proportional to 68,982.33, 103,473.24 and 19,062.33 is: 28,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982.33 : 103,473.24 = 19,062.33 : x
  2. Step 2: Convert to fraction form
    68,982.33/103,473.24 = 19,062.33/x
  3. Step 3: Cross multiply
    68,982.33x = 103,473.24 × 19,062.33
  4. Step 4: Simplify right side
    68,982.33x = 1,972,441,047.05
  5. Step 5: Solve for x
    x = 1,972,441,047.05/68,982.33
  6. Step 6: Final answer
    x = 28,593.42

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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.