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Finding the Fourth Proportional to 226,054.40, 339,081.60 and 131,446.40

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Solution

The fourth proportional to 226,054.40, 339,081.60 and 131,446.40 is: 197,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,054.40 : 339,081.60 = 131,446.40 : x
  2. Step 2: Convert to fraction form
    226,054.40/339,081.60 = 131,446.40/x
  3. Step 3: Cross multiply
    226,054.40x = 339,081.60 × 131,446.40
  4. Step 4: Simplify right side
    226,054.40x = 44,571,055,626.24
  5. Step 5: Solve for x
    x = 44,571,055,626.24/226,054.40
  6. Step 6: Final answer
    x = 197,169.60

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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.