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Finding the Fourth Proportional to 54,151.70, 81,197.80 and 16,701.39

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Solution

The fourth proportional to 54,151.70, 81,197.80 and 16,701.39 is: 25,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.70 : 81,197.80 = 16,701.39 : x
  2. Step 2: Convert to fraction form
    54,151.70/81,197.80 = 16,701.39/x
  3. Step 3: Cross multiply
    54,151.70x = 81,197.80 × 16,701.39
  4. Step 4: Simplify right side
    54,151.70x = 1,356,116,083.19
  5. Step 5: Solve for x
    x = 1,356,116,083.19/54,151.70
  6. Step 6: Final answer
    x = 25,042.91

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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.