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Finding the Fourth Proportional to 617,236.72, 925,761.52 and 167,992.59

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Solution

The fourth proportional to 617,236.72, 925,761.52 and 167,992.59 is: 251,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,236.72 : 925,761.52 = 167,992.59 : x
  2. Step 2: Convert to fraction form
    617,236.72/925,761.52 = 167,992.59/x
  3. Step 3: Cross multiply
    617,236.72x = 925,761.52 × 167,992.59
  4. Step 4: Simplify right side
    617,236.72x = 155,521,079,148.73
  5. Step 5: Solve for x
    x = 155,521,079,148.73/617,236.72
  6. Step 6: Final answer
    x = 251,963.43

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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.