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Finding the Fourth Proportional to 226,719.70, 340,092.35 and 68,953.30

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Solution

The fourth proportional to 226,719.70, 340,092.35 and 68,953.30 is: 103,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,719.70 : 340,092.35 = 68,953.30 : x
  2. Step 2: Convert to fraction form
    226,719.70/340,092.35 = 68,953.30/x
  3. Step 3: Cross multiply
    226,719.70x = 340,092.35 × 68,953.30
  4. Step 4: Simplify right side
    226,719.70x = 23,450,489,837.26
  5. Step 5: Solve for x
    x = 23,450,489,837.26/226,719.70
  6. Step 6: Final answer
    x = 103,433.84

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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.