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Finding the Fourth Proportional to 224,245.26, 335,987.26 and 135,311.90

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Solution

The fourth proportional to 224,245.26, 335,987.26 and 135,311.90 is: 202,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,245.26 : 335,987.26 = 135,311.90 : x
  2. Step 2: Convert to fraction form
    224,245.26/335,987.26 = 135,311.90/x
  3. Step 3: Cross multiply
    224,245.26x = 335,987.26 × 135,311.90
  4. Step 4: Simplify right side
    224,245.26x = 45,463,074,526.39
  5. Step 5: Solve for x
    x = 45,463,074,526.39/224,245.26
  6. Step 6: Final answer
    x = 202,738.17

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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.