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Finding the Fourth Proportional to 168,469.48, 251,171.56 and 149,536.90

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Solution

The fourth proportional to 168,469.48, 251,171.56 and 149,536.90 is: 222,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,469.48 : 251,171.56 = 149,536.90 : x
  2. Step 2: Convert to fraction form
    168,469.48/251,171.56 = 149,536.90/x
  3. Step 3: Cross multiply
    168,469.48x = 251,171.56 × 149,536.90
  4. Step 4: Simplify right side
    168,469.48x = 37,559,416,450.56
  5. Step 5: Solve for x
    x = 37,559,416,450.56/168,469.48
  6. Step 6: Final answer
    x = 222,944.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.