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Finding the Fourth Proportional to 207,911.26, 311,905.37 and 65,792.26

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Solution

The fourth proportional to 207,911.26, 311,905.37 and 65,792.26 is: 98,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,911.26 : 311,905.37 = 65,792.26 : x
  2. Step 2: Convert to fraction form
    207,911.26/311,905.37 = 65,792.26/x
  3. Step 3: Cross multiply
    207,911.26x = 311,905.37 × 65,792.26
  4. Step 4: Simplify right side
    207,911.26x = 20,520,959,198.44
  5. Step 5: Solve for x
    x = 20,520,959,198.44/207,911.26
  6. Step 6: Final answer
    x = 98,700.57

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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.