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Finding the Fourth Proportional to 54,978,335.19, 82,372,245.96 and 33,367,655.07

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Solution

The fourth proportional to 54,978,335.19, 82,372,245.96 and 33,367,655.07 is: 49,993,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,335.19 : 82,372,245.96 = 33,367,655.07 : x
  2. Step 2: Convert to fraction form
    54,978,335.19/82,372,245.96 = 33,367,655.07/x
  3. Step 3: Cross multiply
    54,978,335.19x = 82,372,245.96 × 33,367,655.07
  4. Step 4: Simplify right side
    54,978,335.19x = 2,748,568,690,534,481
  5. Step 5: Solve for x
    x = 2,748,568,690,534,481/54,978,335.19
  6. Step 6: Final answer
    x = 49,993,668.98

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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.