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Finding the Fourth Proportional to 75,988,998.80, 113,974,750.20 and 22,136,310.80

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Solution

The fourth proportional to 75,988,998.80, 113,974,750.20 and 22,136,310.80 is: 33,201,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,988,998.80 : 113,974,750.20 = 22,136,310.80 : x
  2. Step 2: Convert to fraction form
    75,988,998.80/113,974,750.20 = 22,136,310.80/x
  3. Step 3: Cross multiply
    75,988,998.80x = 113,974,750.20 × 22,136,310.80
  4. Step 4: Simplify right side
    75,988,998.80x = 2,522,980,493,779,562.50
  5. Step 5: Solve for x
    x = 2,522,980,493,779,562.50/75,988,998.80
  6. Step 6: Final answer
    x = 33,201,917.83

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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.