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Finding the Fourth Proportional to 144,874.70, 217,267.55 and 100,183.19

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Solution

The fourth proportional to 144,874.70, 217,267.55 and 100,183.19 is: 150,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,874.70 : 217,267.55 = 100,183.19 : x
  2. Step 2: Convert to fraction form
    144,874.70/217,267.55 = 100,183.19/x
  3. Step 3: Cross multiply
    144,874.70x = 217,267.55 × 100,183.19
  4. Step 4: Simplify right side
    144,874.70x = 21,766,555,030.92
  5. Step 5: Solve for x
    x = 21,766,555,030.92/144,874.70
  6. Step 6: Final answer
    x = 150,244.01

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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.