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Finding the Fourth Proportional to 303,834.26, 419,286.15 and 167,873.87

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Solution

The fourth proportional to 303,834.26, 419,286.15 and 167,873.87 is: 231,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,834.26 : 419,286.15 = 167,873.87 : x
  2. Step 2: Convert to fraction form
    303,834.26/419,286.15 = 167,873.87/x
  3. Step 3: Cross multiply
    303,834.26x = 419,286.15 × 167,873.87
  4. Step 4: Simplify right side
    303,834.26x = 70,387,186,541.47
  5. Step 5: Solve for x
    x = 70,387,186,541.47/303,834.26
  6. Step 6: Final answer
    x = 231,663.10

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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.