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Finding the Fourth Proportional to 303,673.24, 419,061.90 and 167,704.48

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Solution

The fourth proportional to 303,673.24, 419,061.90 and 167,704.48 is: 231,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,673.24 : 419,061.90 = 167,704.48 : x
  2. Step 2: Convert to fraction form
    303,673.24/419,061.90 = 167,704.48/x
  3. Step 3: Cross multiply
    303,673.24x = 419,061.90 × 167,704.48
  4. Step 4: Simplify right side
    303,673.24x = 70,278,558,027.31
  5. Step 5: Solve for x
    x = 70,278,558,027.31/303,673.24
  6. Step 6: Final answer
    x = 231,428.22

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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.