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Finding the Fourth Proportional to 168,297.78, 252,206.10 and 123,573.63

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Solution

The fourth proportional to 168,297.78, 252,206.10 and 123,573.63 is: 185,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,297.78 : 252,206.10 = 123,573.63 : x
  2. Step 2: Convert to fraction form
    168,297.78/252,206.10 = 123,573.63/x
  3. Step 3: Cross multiply
    168,297.78x = 252,206.10 × 123,573.63
  4. Step 4: Simplify right side
    168,297.78x = 31,166,023,285.14
  5. Step 5: Solve for x
    x = 31,166,023,285.14/168,297.78
  6. Step 6: Final answer
    x = 185,183.81

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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.