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Finding the Fourth Proportional to 207,363.83, 311,100.06 and 65,203.37

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Solution

The fourth proportional to 207,363.83, 311,100.06 and 65,203.37 is: 97,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,363.83 : 311,100.06 = 65,203.37 : x
  2. Step 2: Convert to fraction form
    207,363.83/311,100.06 = 65,203.37/x
  3. Step 3: Cross multiply
    207,363.83x = 311,100.06 × 65,203.37
  4. Step 4: Simplify right side
    207,363.83x = 20,284,770,763.70
  5. Step 5: Solve for x
    x = 20,284,770,763.70/207,363.83
  6. Step 6: Final answer
    x = 97,822.13

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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.