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Finding the Fourth Proportional to 271,955.68, 407,793.39 and 122,067.56

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Solution

The fourth proportional to 271,955.68, 407,793.39 and 122,067.56 is: 183,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,955.68 : 407,793.39 = 122,067.56 : x
  2. Step 2: Convert to fraction form
    271,955.68/407,793.39 = 122,067.56/x
  3. Step 3: Cross multiply
    271,955.68x = 407,793.39 × 122,067.56
  4. Step 4: Simplify right side
    271,955.68x = 49,778,342,369.32
  5. Step 5: Solve for x
    x = 49,778,342,369.32/271,955.68
  6. Step 6: Final answer
    x = 183,038.44

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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.