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Finding the Fourth Proportional to 45,828.80, 68,608.80 and 34,193.60

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Solution

The fourth proportional to 45,828.80, 68,608.80 and 34,193.60 is: 51,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,828.80 : 68,608.80 = 34,193.60 : x
  2. Step 2: Convert to fraction form
    45,828.80/68,608.80 = 34,193.60/x
  3. Step 3: Cross multiply
    45,828.80x = 68,608.80 × 34,193.60
  4. Step 4: Simplify right side
    45,828.80x = 2,345,981,863.68
  5. Step 5: Solve for x
    x = 2,345,981,863.68/45,828.80
  6. Step 6: Final answer
    x = 51,190.12

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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.