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Finding the Fourth Proportional to 168,122.55, 252,183.83 and 97,166.55

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Solution

The fourth proportional to 168,122.55, 252,183.83 and 97,166.55 is: 145,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,122.55 : 252,183.83 = 97,166.55 : x
  2. Step 2: Convert to fraction form
    168,122.55/252,183.83 = 97,166.55/x
  3. Step 3: Cross multiply
    168,122.55x = 252,183.83 × 97,166.55
  4. Step 4: Simplify right side
    168,122.55x = 24,503,832,241.05
  5. Step 5: Solve for x
    x = 24,503,832,241.05/168,122.55
  6. Step 6: Final answer
    x = 145,749.83

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1.5x scale

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.