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Finding the Fourth Proportional to 54,100.81, 81,151.22 and 35,498.55

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Solution

The fourth proportional to 54,100.81, 81,151.22 and 35,498.55 is: 53,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,100.81 : 81,151.22 = 35,498.55 : x
  2. Step 2: Convert to fraction form
    54,100.81/81,151.22 = 35,498.55/x
  3. Step 3: Cross multiply
    54,100.81x = 81,151.22 × 35,498.55
  4. Step 4: Simplify right side
    54,100.81x = 2,880,750,640.73
  5. Step 5: Solve for x
    x = 2,880,750,640.73/54,100.81
  6. Step 6: Final answer
    x = 53,247.83

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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.