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Finding the Fourth Proportional to 202,425.80, 303,638.70 and 62,166.20

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Solution

The fourth proportional to 202,425.80, 303,638.70 and 62,166.20 is: 93,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,425.80 : 303,638.70 = 62,166.20 : x
  2. Step 2: Convert to fraction form
    202,425.80/303,638.70 = 62,166.20/x
  3. Step 3: Cross multiply
    202,425.80x = 303,638.70 × 62,166.20
  4. Step 4: Simplify right side
    202,425.80x = 18,876,064,151.94
  5. Step 5: Solve for x
    x = 18,876,064,151.94/202,425.80
  6. Step 6: Final answer
    x = 93,249.30

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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.