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Finding the Fourth Proportional to 251,930.48, 347,375.64 and 188,160.56

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Solution

The fourth proportional to 251,930.48, 347,375.64 and 188,160.56 is: 259,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,930.48 : 347,375.64 = 188,160.56 : x
  2. Step 2: Convert to fraction form
    251,930.48/347,375.64 = 188,160.56/x
  3. Step 3: Cross multiply
    251,930.48x = 347,375.64 × 188,160.56
  4. Step 4: Simplify right side
    251,930.48x = 65,362,394,952.76
  5. Step 5: Solve for x
    x = 65,362,394,952.76/251,930.48
  6. Step 6: Final answer
    x = 259,446.16

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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.