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Finding the Fourth Proportional to 322,759.69, 484,217.29 and 101,143.69

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Solution

The fourth proportional to 322,759.69, 484,217.29 and 101,143.69 is: 151,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,759.69 : 484,217.29 = 101,143.69 : x
  2. Step 2: Convert to fraction form
    322,759.69/484,217.29 = 101,143.69/x
  3. Step 3: Cross multiply
    322,759.69x = 484,217.29 × 101,143.69
  4. Step 4: Simplify right side
    322,759.69x = 48,975,522,388.29
  5. Step 5: Solve for x
    x = 48,975,522,388.29/322,759.69
  6. Step 6: Final answer
    x = 151,739.90

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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.