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Finding the Fourth Proportional to 303,702, 419,134.68 and 169,591.92

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Solution

The fourth proportional to 303,702, 419,134.68 and 169,591.92 is: 234,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,702 : 419,134.68 = 169,591.92 : x
  2. Step 2: Convert to fraction form
    303,702/419,134.68 = 169,591.92/x
  3. Step 3: Cross multiply
    303,702x = 419,134.68 × 169,591.92
  4. Step 4: Simplify right side
    303,702x = 71,081,855,119.79
  5. Step 5: Solve for x
    x = 71,081,855,119.79/303,702
  6. Step 6: Final answer
    x = 234,051.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.