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Finding the Fourth Proportional to 234,013.80, 351,020.70 and 167,310.30

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Solution

The fourth proportional to 234,013.80, 351,020.70 and 167,310.30 is: 250,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,013.80 : 351,020.70 = 167,310.30 : x
  2. Step 2: Convert to fraction form
    234,013.80/351,020.70 = 167,310.30/x
  3. Step 3: Cross multiply
    234,013.80x = 351,020.70 × 167,310.30
  4. Step 4: Simplify right side
    234,013.80x = 58,729,378,623.21
  5. Step 5: Solve for x
    x = 58,729,378,623.21/234,013.80
  6. Step 6: Final answer
    x = 250,965.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.