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Finding the Fourth Proportional to 54,134, 81,214.02 and 17,198

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Solution

The fourth proportional to 54,134, 81,214.02 and 17,198 is: 25,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,134 : 81,214.02 = 17,198 : x
  2. Step 2: Convert to fraction form
    54,134/81,214.02 = 17,198/x
  3. Step 3: Cross multiply
    54,134x = 81,214.02 × 17,198
  4. Step 4: Simplify right side
    54,134x = 1,396,718,715.96
  5. Step 5: Solve for x
    x = 1,396,718,715.96/54,134
  6. Step 6: Final answer
    x = 25,801.14

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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.