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Finding the Fourth Proportional to 303,003.65, 418,146.30 and 167,034.61

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Solution

The fourth proportional to 303,003.65, 418,146.30 and 167,034.61 is: 230,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,003.65 : 418,146.30 = 167,034.61 : x
  2. Step 2: Convert to fraction form
    303,003.65/418,146.30 = 167,034.61/x
  3. Step 3: Cross multiply
    303,003.65x = 418,146.30 × 167,034.61
  4. Step 4: Simplify right side
    303,003.65x = 69,844,903,255.20
  5. Step 5: Solve for x
    x = 69,844,903,255.20/303,003.65
  6. Step 6: Final answer
    x = 230,508.46

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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.