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Finding the Fourth Proportional to 226,644, 339,812.60 and 126,873.04

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Solution

The fourth proportional to 226,644, 339,812.60 and 126,873.04 is: 190,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,644 : 339,812.60 = 126,873.04 : x
  2. Step 2: Convert to fraction form
    226,644/339,812.60 = 126,873.04/x
  3. Step 3: Cross multiply
    226,644x = 339,812.60 × 126,873.04
  4. Step 4: Simplify right side
    226,644x = 43,113,057,592.30
  5. Step 5: Solve for x
    x = 43,113,057,592.30/226,644
  6. Step 6: Final answer
    x = 190,223.69

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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.