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Finding the Fourth Proportional to 202,134.20, 303,215.70 and 61,892.60

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Solution

The fourth proportional to 202,134.20, 303,215.70 and 61,892.60 is: 92,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,134.20 : 303,215.70 = 61,892.60 : x
  2. Step 2: Convert to fraction form
    202,134.20/303,215.70 = 61,892.60/x
  3. Step 3: Cross multiply
    202,134.20x = 303,215.70 × 61,892.60
  4. Step 4: Simplify right side
    202,134.20x = 18,766,808,033.82
  5. Step 5: Solve for x
    x = 18,766,808,033.82/202,134.20
  6. Step 6: Final answer
    x = 92,843.31

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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.