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Finding the Fourth Proportional to 362,181.35, 542,939.42 and 125,358.41

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Solution

The fourth proportional to 362,181.35, 542,939.42 and 125,358.41 is: 187,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,181.35 : 542,939.42 = 125,358.41 : x
  2. Step 2: Convert to fraction form
    362,181.35/542,939.42 = 125,358.41/x
  3. Step 3: Cross multiply
    362,181.35x = 542,939.42 × 125,358.41
  4. Step 4: Simplify right side
    362,181.35x = 68,062,021,790.73
  5. Step 5: Solve for x
    x = 68,062,021,790.73/362,181.35
  6. Step 6: Final answer
    x = 187,922.49

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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.