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Finding the Fourth Proportional to 80,204.44, 120,306.12 and 62,689

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Solution

The fourth proportional to 80,204.44, 120,306.12 and 62,689 is: 94,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,204.44 : 120,306.12 = 62,689 : x
  2. Step 2: Convert to fraction form
    80,204.44/120,306.12 = 62,689/x
  3. Step 3: Cross multiply
    80,204.44x = 120,306.12 × 62,689
  4. Step 4: Simplify right side
    80,204.44x = 7,541,870,356.68
  5. Step 5: Solve for x
    x = 7,541,870,356.68/80,204.44
  6. Step 6: Final answer
    x = 94,033.08

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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.