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Finding the Fourth Proportional to 169,183.78, 253,775.86 and 50,855.12

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Solution

The fourth proportional to 169,183.78, 253,775.86 and 50,855.12 is: 76,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,183.78 : 253,775.86 = 50,855.12 : x
  2. Step 2: Convert to fraction form
    169,183.78/253,775.86 = 50,855.12/x
  3. Step 3: Cross multiply
    169,183.78x = 253,775.86 × 50,855.12
  4. Step 4: Simplify right side
    169,183.78x = 12,905,800,417.39
  5. Step 5: Solve for x
    x = 12,905,800,417.39/169,183.78
  6. Step 6: Final answer
    x = 76,282.73

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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.