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Finding the Fourth Proportional to 271,149.81, 373,992.44 and 179,162.55

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Solution

The fourth proportional to 271,149.81, 373,992.44 and 179,162.55 is: 247,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,149.81 : 373,992.44 = 179,162.55 : x
  2. Step 2: Convert to fraction form
    271,149.81/373,992.44 = 179,162.55/x
  3. Step 3: Cross multiply
    271,149.81x = 373,992.44 × 179,162.55
  4. Step 4: Simplify right side
    271,149.81x = 67,005,438,335.31
  5. Step 5: Solve for x
    x = 67,005,438,335.31/271,149.81
  6. Step 6: Final answer
    x = 247,115.93

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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.