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Finding the Fourth Proportional to 395,061.88, 592,725.83 and 125,234.09

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Solution

The fourth proportional to 395,061.88, 592,725.83 and 125,234.09 is: 187,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,061.88 : 592,725.83 = 125,234.09 : x
  2. Step 2: Convert to fraction form
    395,061.88/592,725.83 = 125,234.09/x
  3. Step 3: Cross multiply
    395,061.88x = 592,725.83 × 125,234.09
  4. Step 4: Simplify right side
    395,061.88x = 74,229,479,939.54
  5. Step 5: Solve for x
    x = 74,229,479,939.54/395,061.88
  6. Step 6: Final answer
    x = 187,893.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.