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Finding the Fourth Proportional to 254,234.92, 350,843.19 and 139,515.49

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Solution

The fourth proportional to 254,234.92, 350,843.19 and 139,515.49 is: 192,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,234.92 : 350,843.19 = 139,515.49 : x
  2. Step 2: Convert to fraction form
    254,234.92/350,843.19 = 139,515.49/x
  3. Step 3: Cross multiply
    254,234.92x = 350,843.19 × 139,515.49
  4. Step 4: Simplify right side
    254,234.92x = 48,948,059,566.01
  5. Step 5: Solve for x
    x = 48,948,059,566.01/254,234.92
  6. Step 6: Final answer
    x = 192,530.83

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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.