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Finding the Fourth Proportional to 339,059.61, 467,920.67 and 188,159.85

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Solution

The fourth proportional to 339,059.61, 467,920.67 and 188,159.85 is: 259,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,059.61 : 467,920.67 = 188,159.85 : x
  2. Step 2: Convert to fraction form
    339,059.61/467,920.67 = 188,159.85/x
  3. Step 3: Cross multiply
    339,059.61x = 467,920.67 × 188,159.85
  4. Step 4: Simplify right side
    339,059.61x = 88,043,882,138.30
  5. Step 5: Solve for x
    x = 88,043,882,138.30/339,059.61
  6. Step 6: Final answer
    x = 259,670.81

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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.