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Finding the Fourth Proportional to 68,471,792.57, 102,723,435.56 and 22,415,147.21

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Solution

The fourth proportional to 68,471,792.57, 102,723,435.56 and 22,415,147.21 is: 33,627,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,471,792.57 : 102,723,435.56 = 22,415,147.21 : x
  2. Step 2: Convert to fraction form
    68,471,792.57/102,723,435.56 = 22,415,147.21/x
  3. Step 3: Cross multiply
    68,471,792.57x = 102,723,435.56 × 22,415,147.21
  4. Step 4: Simplify right side
    68,471,792.57x = 2,302,560,930,307,195
  5. Step 5: Solve for x
    x = 2,302,560,930,307,195/68,471,792.57
  6. Step 6: Final answer
    x = 33,627,875.71

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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.