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Finding the Fourth Proportional to 207,786.06, 311,696.78 and 65,593.29

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Solution

The fourth proportional to 207,786.06, 311,696.78 and 65,593.29 is: 98,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,786.06 : 311,696.78 = 65,593.29 : x
  2. Step 2: Convert to fraction form
    207,786.06/311,696.78 = 65,593.29/x
  3. Step 3: Cross multiply
    207,786.06x = 311,696.78 × 65,593.29
  4. Step 4: Simplify right side
    207,786.06x = 20,445,218,123.50
  5. Step 5: Solve for x
    x = 20,445,218,123.50/207,786.06
  6. Step 6: Final answer
    x = 98,395.52

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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.