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Finding the Fourth Proportional to 226,069.66, 339,104.49 and 85,828.33

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Solution

The fourth proportional to 226,069.66, 339,104.49 and 85,828.33 is: 128,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,069.66 : 339,104.49 = 85,828.33 : x
  2. Step 2: Convert to fraction form
    226,069.66/339,104.49 = 85,828.33/x
  3. Step 3: Cross multiply
    226,069.66x = 339,104.49 × 85,828.33
  4. Step 4: Simplify right side
    226,069.66x = 29,104,772,072.20
  5. Step 5: Solve for x
    x = 29,104,772,072.20/226,069.66
  6. Step 6: Final answer
    x = 128,742.50

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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.