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Finding the Fourth Proportional to 167,456.20, 251,184.30 and 144,905.80

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Solution

The fourth proportional to 167,456.20, 251,184.30 and 144,905.80 is: 217,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,456.20 : 251,184.30 = 144,905.80 : x
  2. Step 2: Convert to fraction form
    167,456.20/251,184.30 = 144,905.80/x
  3. Step 3: Cross multiply
    167,456.20x = 251,184.30 × 144,905.80
  4. Step 4: Simplify right side
    167,456.20x = 36,398,061,938.94
  5. Step 5: Solve for x
    x = 36,398,061,938.94/167,456.20
  6. Step 6: Final answer
    x = 217,358.70

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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.