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Finding the Fourth Proportional to 251,858.52, 377,787.33 and 172,732.86

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Solution

The fourth proportional to 251,858.52, 377,787.33 and 172,732.86 is: 259,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,858.52 : 377,787.33 = 172,732.86 : x
  2. Step 2: Convert to fraction form
    251,858.52/377,787.33 = 172,732.86/x
  3. Step 3: Cross multiply
    251,858.52x = 377,787.33 × 172,732.86
  4. Step 4: Simplify right side
    251,858.52x = 65,256,285,982.66
  5. Step 5: Solve for x
    x = 65,256,285,982.66/251,858.52
  6. Step 6: Final answer
    x = 259,098.98

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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.