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Finding the Fourth Proportional to 325,092.38, 448,717.64 and 189,152.58

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Solution

The fourth proportional to 325,092.38, 448,717.64 and 189,152.58 is: 261,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,092.38 : 448,717.64 = 189,152.58 : x
  2. Step 2: Convert to fraction form
    325,092.38/448,717.64 = 189,152.58/x
  3. Step 3: Cross multiply
    325,092.38x = 448,717.64 × 189,152.58
  4. Step 4: Simplify right side
    325,092.38x = 84,876,098,351.75
  5. Step 5: Solve for x
    x = 84,876,098,351.75/325,092.38
  6. Step 6: Final answer
    x = 261,083.02

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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.