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Finding the Fourth Proportional to 54,103, 81,153.50 and 24,485.54

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Solution

The fourth proportional to 54,103, 81,153.50 and 24,485.54 is: 36,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103 : 81,153.50 = 24,485.54 : x
  2. Step 2: Convert to fraction form
    54,103/81,153.50 = 24,485.54/x
  3. Step 3: Cross multiply
    54,103x = 81,153.50 × 24,485.54
  4. Step 4: Simplify right side
    54,103x = 1,987,087,270.39
  5. Step 5: Solve for x
    x = 1,987,087,270.39/54,103
  6. Step 6: Final answer
    x = 36,727.86

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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.