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Finding the Fourth Proportional to 303,002.98, 418,125.33 and 167,029.90

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Solution

The fourth proportional to 303,002.98, 418,125.33 and 167,029.90 is: 230,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,002.98 : 418,125.33 = 167,029.90 : x
  2. Step 2: Convert to fraction form
    303,002.98/418,125.33 = 167,029.90/x
  3. Step 3: Cross multiply
    303,002.98x = 418,125.33 × 167,029.90
  4. Step 4: Simplify right side
    303,002.98x = 69,839,431,012.05
  5. Step 5: Solve for x
    x = 69,839,431,012.05/303,002.98
  6. Step 6: Final answer
    x = 230,490.91

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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.