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Finding the Fourth Proportional to 303,169.24, 418,383.30 and 167,209

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Solution

The fourth proportional to 303,169.24, 418,383.30 and 167,209 is: 230,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,169.24 : 418,383.30 = 167,209 : x
  2. Step 2: Convert to fraction form
    303,169.24/418,383.30 = 167,209/x
  3. Step 3: Cross multiply
    303,169.24x = 418,383.30 × 167,209
  4. Step 4: Simplify right side
    303,169.24x = 69,957,453,209.70
  5. Step 5: Solve for x
    x = 69,957,453,209.70/303,169.24
  6. Step 6: Final answer
    x = 230,753.80

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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.