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Finding the Fourth Proportional to 54,107.33, 81,105.91 and 36,578.93

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Solution

The fourth proportional to 54,107.33, 81,105.91 and 36,578.93 is: 54,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.33 : 81,105.91 = 36,578.93 : x
  2. Step 2: Convert to fraction form
    54,107.33/81,105.91 = 36,578.93/x
  3. Step 3: Cross multiply
    54,107.33x = 81,105.91 × 36,578.93
  4. Step 4: Simplify right side
    54,107.33x = 2,966,766,907.50
  5. Step 5: Solve for x
    x = 2,966,766,907.50/54,107.33
  6. Step 6: Final answer
    x = 54,831.15

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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.