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Finding the Fourth Proportional to 54,236.86, 81,363.02 and 16,799.87

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Solution

The fourth proportional to 54,236.86, 81,363.02 and 16,799.87 is: 25,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,236.86 : 81,363.02 = 16,799.87 : x
  2. Step 2: Convert to fraction form
    54,236.86/81,363.02 = 16,799.87/x
  3. Step 3: Cross multiply
    54,236.86x = 81,363.02 × 16,799.87
  4. Step 4: Simplify right side
    54,236.86x = 1,366,888,278.22
  5. Step 5: Solve for x
    x = 1,366,888,278.22/54,236.86
  6. Step 6: Final answer
    x = 25,202.20

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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.