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Finding the Fourth Proportional to 227,245.87, 313,626.78 and 131,756.59

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Solution

The fourth proportional to 227,245.87, 313,626.78 and 131,756.59 is: 181,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,245.87 : 313,626.78 = 131,756.59 : x
  2. Step 2: Convert to fraction form
    227,245.87/313,626.78 = 131,756.59/x
  3. Step 3: Cross multiply
    227,245.87x = 313,626.78 × 131,756.59
  4. Step 4: Simplify right side
    227,245.87x = 41,322,395,065.48
  5. Step 5: Solve for x
    x = 41,322,395,065.48/227,245.87
  6. Step 6: Final answer
    x = 181,840.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.