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Finding the Fourth Proportional to 167,072.70, 250,317.45 and 143,744.70

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Solution

The fourth proportional to 167,072.70, 250,317.45 and 143,744.70 is: 215,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,072.70 : 250,317.45 = 143,744.70 : x
  2. Step 2: Convert to fraction form
    167,072.70/250,317.45 = 143,744.70/x
  3. Step 3: Cross multiply
    167,072.70x = 250,317.45 × 143,744.70
  4. Step 4: Simplify right side
    167,072.70x = 35,981,806,755.02
  5. Step 5: Solve for x
    x = 35,981,806,755.02/167,072.70
  6. Step 6: Final answer
    x = 215,366.17

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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.