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Finding the Fourth Proportional to 251,906.60, 376,985.10 and 173,174.60

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Solution

The fourth proportional to 251,906.60, 376,985.10 and 173,174.60 is: 259,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,906.60 : 376,985.10 = 173,174.60 : x
  2. Step 2: Convert to fraction form
    251,906.60/376,985.10 = 173,174.60/x
  3. Step 3: Cross multiply
    251,906.60x = 376,985.10 × 173,174.60
  4. Step 4: Simplify right side
    251,906.60x = 65,284,243,898.46
  5. Step 5: Solve for x
    x = 65,284,243,898.46/251,906.60
  6. Step 6: Final answer
    x = 259,160.51

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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.