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Finding the Fourth Proportional to 322,166.28, 483,183.72 and 122,416.56

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Solution

The fourth proportional to 322,166.28, 483,183.72 and 122,416.56 is: 183,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,166.28 : 483,183.72 = 122,416.56 : x
  2. Step 2: Convert to fraction form
    322,166.28/483,183.72 = 122,416.56/x
  3. Step 3: Cross multiply
    322,166.28x = 483,183.72 × 122,416.56
  4. Step 4: Simplify right side
    322,166.28x = 59,149,688,850.40
  5. Step 5: Solve for x
    x = 59,149,688,850.40/322,166.28
  6. Step 6: Final answer
    x = 183,599.88

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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.