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Finding the Fourth Proportional to 250,872.32, 346,198.86 and 141,974.64

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Solution

The fourth proportional to 250,872.32, 346,198.86 and 141,974.64 is: 195,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,872.32 : 346,198.86 = 141,974.64 : x
  2. Step 2: Convert to fraction form
    250,872.32/346,198.86 = 141,974.64/x
  3. Step 3: Cross multiply
    250,872.32x = 346,198.86 × 141,974.64
  4. Step 4: Simplify right side
    250,872.32x = 49,151,458,516.91
  5. Step 5: Solve for x
    x = 49,151,458,516.91/250,872.32
  6. Step 6: Final answer
    x = 195,922.21

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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.