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Finding the Fourth Proportional to 226,662.63, 339,991.91 and 84,503.07

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Solution

The fourth proportional to 226,662.63, 339,991.91 and 84,503.07 is: 126,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,662.63 : 339,991.91 = 84,503.07 : x
  2. Step 2: Convert to fraction form
    226,662.63/339,991.91 = 84,503.07/x
  3. Step 3: Cross multiply
    226,662.63x = 339,991.91 × 84,503.07
  4. Step 4: Simplify right side
    226,662.63x = 28,730,360,170.16
  5. Step 5: Solve for x
    x = 28,730,360,170.16/226,662.63
  6. Step 6: Final answer
    x = 126,753.85

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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.