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Finding the Fourth Proportional to 227,694.90, 341,748.90 and 115,453.20

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Solution

The fourth proportional to 227,694.90, 341,748.90 and 115,453.20 is: 173,284.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,694.90 : 341,748.90 = 115,453.20 : x
  2. Step 2: Convert to fraction form
    227,694.90/341,748.90 = 115,453.20/x
  3. Step 3: Cross multiply
    227,694.90x = 341,748.90 × 115,453.20
  4. Step 4: Simplify right side
    227,694.90x = 39,456,004,101.48
  5. Step 5: Solve for x
    x = 39,456,004,101.48/227,694.90
  6. Step 6: Final answer
    x = 173,284.53

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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.