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Finding the Fourth Proportional to 234,120.78, 350,874.99 and 93,977.82

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Solution

The fourth proportional to 234,120.78, 350,874.99 and 93,977.82 is: 140,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,120.78 : 350,874.99 = 93,977.82 : x
  2. Step 2: Convert to fraction form
    234,120.78/350,874.99 = 93,977.82/x
  3. Step 3: Cross multiply
    234,120.78x = 350,874.99 × 93,977.82
  4. Step 4: Simplify right side
    234,120.78x = 32,974,466,652.72
  5. Step 5: Solve for x
    x = 32,974,466,652.72/234,120.78
  6. Step 6: Final answer
    x = 140,843.83

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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.