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Finding the Fourth Proportional to 192,453.38, 288,696.22 and 70,907

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Solution

The fourth proportional to 192,453.38, 288,696.22 and 70,907 is: 106,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,453.38 : 288,696.22 = 70,907 : x
  2. Step 2: Convert to fraction form
    192,453.38/288,696.22 = 70,907/x
  3. Step 3: Cross multiply
    192,453.38x = 288,696.22 × 70,907
  4. Step 4: Simplify right side
    192,453.38x = 20,470,582,517.01
  5. Step 5: Solve for x
    x = 20,470,582,517.01/192,453.38
  6. Step 6: Final answer
    x = 106,366.45

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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.