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Finding the Fourth Proportional to 168,245.16, 252,392.88 and 49,902.54

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Solution

The fourth proportional to 168,245.16, 252,392.88 and 49,902.54 is: 74,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,245.16 : 252,392.88 = 49,902.54 : x
  2. Step 2: Convert to fraction form
    168,245.16/252,392.88 = 49,902.54/x
  3. Step 3: Cross multiply
    168,245.16x = 252,392.88 × 49,902.54
  4. Step 4: Simplify right side
    168,245.16x = 12,595,045,789.92
  5. Step 5: Solve for x
    x = 12,595,045,789.92/168,245.16
  6. Step 6: Final answer
    x = 74,861.27

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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.