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Finding the Fourth Proportional to 54,152.80, 81,229.55 and 35,448.54

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Solution

The fourth proportional to 54,152.80, 81,229.55 and 35,448.54 is: 53,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,152.80 : 81,229.55 = 35,448.54 : x
  2. Step 2: Convert to fraction form
    54,152.80/81,229.55 = 35,448.54/x
  3. Step 3: Cross multiply
    54,152.80x = 81,229.55 × 35,448.54
  4. Step 4: Simplify right side
    54,152.80x = 2,879,468,952.36
  5. Step 5: Solve for x
    x = 2,879,468,952.36/54,152.80
  6. Step 6: Final answer
    x = 53,173.04

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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.