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Finding the Fourth Proportional to 54,183.66, 81,275.49 and 35,581.20

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Solution

The fourth proportional to 54,183.66, 81,275.49 and 35,581.20 is: 53,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.66 : 81,275.49 = 35,581.20 : x
  2. Step 2: Convert to fraction form
    54,183.66/81,275.49 = 35,581.20/x
  3. Step 3: Cross multiply
    54,183.66x = 81,275.49 × 35,581.20
  4. Step 4: Simplify right side
    54,183.66x = 2,891,879,464.79
  5. Step 5: Solve for x
    x = 2,891,879,464.79/54,183.66
  6. Step 6: Final answer
    x = 53,371.80

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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.