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Finding the Fourth Proportional to 339,061.92, 467,889.68 and 188,157.60

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Solution

The fourth proportional to 339,061.92, 467,889.68 and 188,157.60 is: 259,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,061.92 : 467,889.68 = 188,157.60 : x
  2. Step 2: Convert to fraction form
    339,061.92/467,889.68 = 188,157.60/x
  3. Step 3: Cross multiply
    339,061.92x = 467,889.68 × 188,157.60
  4. Step 4: Simplify right side
    339,061.92x = 88,036,999,253.57
  5. Step 5: Solve for x
    x = 88,036,999,253.57/339,061.92
  6. Step 6: Final answer
    x = 259,648.74

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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.