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Finding the Fourth Proportional to 54,790,816.80, 82,028,938.80 and 53,217,952.80

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Solution

The fourth proportional to 54,790,816.80, 82,028,938.80 and 53,217,952.80 is: 79,674,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,790,816.80 : 82,028,938.80 = 53,217,952.80 : x
  2. Step 2: Convert to fraction form
    54,790,816.80/82,028,938.80 = 53,217,952.80/x
  3. Step 3: Cross multiply
    54,790,816.80x = 82,028,938.80 × 53,217,952.80
  4. Step 4: Simplify right side
    54,790,816.80x = 4,365,412,193,292,488
  5. Step 5: Solve for x
    x = 4,365,412,193,292,488/54,790,816.80
  6. Step 6: Final answer
    x = 79,674,157.97

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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.