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Finding the Fourth Proportional to 617,233.85, 925,757.23 and 167,989.73

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Solution

The fourth proportional to 617,233.85, 925,757.23 and 167,989.73 is: 251,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,233.85 : 925,757.23 = 167,989.73 : x
  2. Step 2: Convert to fraction form
    617,233.85/925,757.23 = 167,989.73/x
  3. Step 3: Cross multiply
    617,233.85x = 925,757.23 × 167,989.73
  4. Step 4: Simplify right side
    617,233.85x = 155,517,707,113.25
  5. Step 5: Solve for x
    x = 155,517,707,113.25/617,233.85
  6. Step 6: Final answer
    x = 251,959.14

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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.