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Finding the Fourth Proportional to 250,787.91, 346,093.32 and 143,367.96

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Solution

The fourth proportional to 250,787.91, 346,093.32 and 143,367.96 is: 197,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,787.91 : 346,093.32 = 143,367.96 : x
  2. Step 2: Convert to fraction form
    250,787.91/346,093.32 = 143,367.96/x
  3. Step 3: Cross multiply
    250,787.91x = 346,093.32 × 143,367.96
  4. Step 4: Simplify right side
    250,787.91x = 49,618,693,258.03
  5. Step 5: Solve for x
    x = 49,618,693,258.03/250,787.91
  6. Step 6: Final answer
    x = 197,851.22

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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.