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Finding the Fourth Proportional to 226,865.20, 340,297.80 and 167,816.20

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Solution

The fourth proportional to 226,865.20, 340,297.80 and 167,816.20 is: 251,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,865.20 : 340,297.80 = 167,816.20 : x
  2. Step 2: Convert to fraction form
    226,865.20/340,297.80 = 167,816.20/x
  3. Step 3: Cross multiply
    226,865.20x = 340,297.80 × 167,816.20
  4. Step 4: Simplify right side
    226,865.20x = 57,107,483,664.36
  5. Step 5: Solve for x
    x = 57,107,483,664.36/226,865.20
  6. Step 6: Final answer
    x = 251,724.30

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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.