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Finding the Fourth Proportional to 79,487,998.80, 119,231,998.20 and 22,754,302.80

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Solution

The fourth proportional to 79,487,998.80, 119,231,998.20 and 22,754,302.80 is: 34,131,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,487,998.80 : 119,231,998.20 = 22,754,302.80 : x
  2. Step 2: Convert to fraction form
    79,487,998.80/119,231,998.20 = 22,754,302.80/x
  3. Step 3: Cross multiply
    79,487,998.80x = 119,231,998.20 × 22,754,302.80
  4. Step 4: Simplify right side
    79,487,998.80x = 2,713,040,990,491,855
  5. Step 5: Solve for x
    x = 2,713,040,990,491,855/79,487,998.80
  6. Step 6: Final answer
    x = 34,131,454.20

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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.