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Finding the Fourth Proportional to 198,350.78, 297,571.08 and 65,232.20

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Solution

The fourth proportional to 198,350.78, 297,571.08 and 65,232.20 is: 97,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,350.78 : 297,571.08 = 65,232.20 : x
  2. Step 2: Convert to fraction form
    198,350.78/297,571.08 = 65,232.20/x
  3. Step 3: Cross multiply
    198,350.78x = 297,571.08 × 65,232.20
  4. Step 4: Simplify right side
    198,350.78x = 19,411,214,716.92
  5. Step 5: Solve for x
    x = 19,411,214,716.92/198,350.78
  6. Step 6: Final answer
    x = 97,863.06

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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.