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Finding the Fourth Proportional to 303,034.53, 418,179.91 and 167,065.30

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Solution

The fourth proportional to 303,034.53, 418,179.91 and 167,065.30 is: 230,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,034.53 : 418,179.91 = 167,065.30 : x
  2. Step 2: Convert to fraction form
    303,034.53/418,179.91 = 167,065.30/x
  3. Step 3: Cross multiply
    303,034.53x = 418,179.91 × 167,065.30
  4. Step 4: Simplify right side
    303,034.53x = 69,863,352,118.12
  5. Step 5: Solve for x
    x = 69,863,352,118.12/303,034.53
  6. Step 6: Final answer
    x = 230,545.85

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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.