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Finding the Fourth Proportional to 202,006.80, 303,010.20 and 61,747.20

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Solution

The fourth proportional to 202,006.80, 303,010.20 and 61,747.20 is: 92,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,006.80 : 303,010.20 = 61,747.20 : x
  2. Step 2: Convert to fraction form
    202,006.80/303,010.20 = 61,747.20/x
  3. Step 3: Cross multiply
    202,006.80x = 303,010.20 × 61,747.20
  4. Step 4: Simplify right side
    202,006.80x = 18,710,031,421.44
  5. Step 5: Solve for x
    x = 18,710,031,421.44/202,006.80
  6. Step 6: Final answer
    x = 92,620.80

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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.