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Finding the Fourth Proportional to 226,343.50, 339,588.90 and 107,999.50

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Solution

The fourth proportional to 226,343.50, 339,588.90 and 107,999.50 is: 162,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,343.50 : 339,588.90 = 107,999.50 : x
  2. Step 2: Convert to fraction form
    226,343.50/339,588.90 = 107,999.50/x
  3. Step 3: Cross multiply
    226,343.50x = 339,588.90 × 107,999.50
  4. Step 4: Simplify right side
    226,343.50x = 36,675,431,405.55
  5. Step 5: Solve for x
    x = 36,675,431,405.55/226,343.50
  6. Step 6: Final answer
    x = 162,034.39

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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.