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Finding the Fourth Proportional to 253,991.67, 350,524.22 and 140,814.42

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Solution

The fourth proportional to 253,991.67, 350,524.22 and 140,814.42 is: 194,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,991.67 : 350,524.22 = 140,814.42 : x
  2. Step 2: Convert to fraction form
    253,991.67/350,524.22 = 140,814.42/x
  3. Step 3: Cross multiply
    253,991.67x = 350,524.22 × 140,814.42
  4. Step 4: Simplify right side
    253,991.67x = 49,358,864,735.25
  5. Step 5: Solve for x
    x = 49,358,864,735.25/253,991.67
  6. Step 6: Final answer
    x = 194,332.61

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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.