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Finding the Fourth Proportional to 339,036.75, 467,892.60 and 188,133.75

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Solution

The fourth proportional to 339,036.75, 467,892.60 and 188,133.75 is: 259,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,036.75 : 467,892.60 = 188,133.75 : x
  2. Step 2: Convert to fraction form
    339,036.75/467,892.60 = 188,133.75/x
  3. Step 3: Cross multiply
    339,036.75x = 467,892.60 × 188,133.75
  4. Step 4: Simplify right side
    339,036.75x = 88,026,389,435.25
  5. Step 5: Solve for x
    x = 88,026,389,435.25/339,036.75
  6. Step 6: Final answer
    x = 259,636.72

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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.