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Finding the Fourth Proportional to 322,855.74, 484,116.05 and 95,121.80

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Solution

The fourth proportional to 322,855.74, 484,116.05 and 95,121.80 is: 142,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,855.74 : 484,116.05 = 95,121.80 : x
  2. Step 2: Convert to fraction form
    322,855.74/484,116.05 = 95,121.80/x
  3. Step 3: Cross multiply
    322,855.74x = 484,116.05 × 95,121.80
  4. Step 4: Simplify right side
    322,855.74x = 46,049,987,188.70
  5. Step 5: Solve for x
    x = 46,049,987,188.70/322,855.74
  6. Step 6: Final answer
    x = 142,633.33

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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.