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Finding the Fourth Proportional to 254,205.41, 350,791.76 and 139,481.53

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Solution

The fourth proportional to 254,205.41, 350,791.76 and 139,481.53 is: 192,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,205.41 : 350,791.76 = 139,481.53 : x
  2. Step 2: Convert to fraction form
    254,205.41/350,791.76 = 139,481.53/x
  3. Step 3: Cross multiply
    254,205.41x = 350,791.76 × 139,481.53
  4. Step 4: Simplify right side
    254,205.41x = 48,928,970,867.92
  5. Step 5: Solve for x
    x = 48,928,970,867.92/254,205.41
  6. Step 6: Final answer
    x = 192,478.09

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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.