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Finding the Fourth Proportional to 54,179.55, 81,243.81 and 35,173.44

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Solution

The fourth proportional to 54,179.55, 81,243.81 and 35,173.44 is: 52,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,179.55 : 81,243.81 = 35,173.44 : x
  2. Step 2: Convert to fraction form
    54,179.55/81,243.81 = 35,173.44/x
  3. Step 3: Cross multiply
    54,179.55x = 81,243.81 × 35,173.44
  4. Step 4: Simplify right side
    54,179.55x = 2,857,624,276.41
  5. Step 5: Solve for x
    x = 2,857,624,276.41/54,179.55
  6. Step 6: Final answer
    x = 52,743.60

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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.