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Finding the Fourth Proportional to 322,092.60, 483,138.90 and 111,751.80

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Solution

The fourth proportional to 322,092.60, 483,138.90 and 111,751.80 is: 167,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,092.60 : 483,138.90 = 111,751.80 : x
  2. Step 2: Convert to fraction form
    322,092.60/483,138.90 = 111,751.80/x
  3. Step 3: Cross multiply
    322,092.60x = 483,138.90 × 111,751.80
  4. Step 4: Simplify right side
    322,092.60x = 53,991,641,725.02
  5. Step 5: Solve for x
    x = 53,991,641,725.02/322,092.60
  6. Step 6: Final answer
    x = 167,627.70

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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.