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Finding the Fourth Proportional to 54,322,676.80, 81,484,015.20 and 41,568,092.80

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Solution

The fourth proportional to 54,322,676.80, 81,484,015.20 and 41,568,092.80 is: 62,352,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322,676.80 : 81,484,015.20 = 41,568,092.80 : x
  2. Step 2: Convert to fraction form
    54,322,676.80/81,484,015.20 = 41,568,092.80/x
  3. Step 3: Cross multiply
    54,322,676.80x = 81,484,015.20 × 41,568,092.80
  4. Step 4: Simplify right side
    54,322,676.80x = 3,387,135,105,550,210.50
  5. Step 5: Solve for x
    x = 3,387,135,105,550,210.50/54,322,676.80
  6. Step 6: Final answer
    x = 62,352,139.20

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Double scale
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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.