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Finding the Fourth Proportional to 202,251.80, 303,377.70 and 61,992.20

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Solution

The fourth proportional to 202,251.80, 303,377.70 and 61,992.20 is: 92,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,251.80 : 303,377.70 = 61,992.20 : x
  2. Step 2: Convert to fraction form
    202,251.80/303,377.70 = 61,992.20/x
  3. Step 3: Cross multiply
    202,251.80x = 303,377.70 × 61,992.20
  4. Step 4: Simplify right side
    202,251.80x = 18,807,051,053.94
  5. Step 5: Solve for x
    x = 18,807,051,053.94/202,251.80
  6. Step 6: Final answer
    x = 92,988.30

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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.