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Finding the Fourth Proportional to 322,187.77, 483,096.43 and 132,778.90

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Solution

The fourth proportional to 322,187.77, 483,096.43 and 132,778.90 is: 199,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,187.77 : 483,096.43 = 132,778.90 : x
  2. Step 2: Convert to fraction form
    322,187.77/483,096.43 = 132,778.90/x
  3. Step 3: Cross multiply
    322,187.77x = 483,096.43 × 132,778.90
  4. Step 4: Simplify right side
    322,187.77x = 64,145,012,569.33
  5. Step 5: Solve for x
    x = 64,145,012,569.33/322,187.77
  6. Step 6: Final answer
    x = 199,092.02

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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.