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Finding the Fourth Proportional to 69,260.70, 103,896.45 and 29,819.10

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Solution

The fourth proportional to 69,260.70, 103,896.45 and 29,819.10 is: 44,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,260.70 : 103,896.45 = 29,819.10 : x
  2. Step 2: Convert to fraction form
    69,260.70/103,896.45 = 29,819.10/x
  3. Step 3: Cross multiply
    69,260.70x = 103,896.45 × 29,819.10
  4. Step 4: Simplify right side
    69,260.70x = 3,098,098,632.20
  5. Step 5: Solve for x
    x = 3,098,098,632.20/69,260.70
  6. Step 6: Final answer
    x = 44,730.97

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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.