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Finding the Fourth Proportional to 303,467.56, 418,780.92 and 167,504.08

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Solution

The fourth proportional to 303,467.56, 418,780.92 and 167,504.08 is: 231,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,467.56 : 418,780.92 = 167,504.08 : x
  2. Step 2: Convert to fraction form
    303,467.56/418,780.92 = 167,504.08/x
  3. Step 3: Cross multiply
    303,467.56x = 418,780.92 × 167,504.08
  4. Step 4: Simplify right side
    303,467.56x = 70,147,512,726.15
  5. Step 5: Solve for x
    x = 70,147,512,726.15/303,467.56
  6. Step 6: Final answer
    x = 231,153.25

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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.