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Finding the Fourth Proportional to 226,422, 339,682.08 and 68,662.32

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Solution

The fourth proportional to 226,422, 339,682.08 and 68,662.32 is: 103,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,422 : 339,682.08 = 68,662.32 : x
  2. Step 2: Convert to fraction form
    226,422/339,682.08 = 68,662.32/x
  3. Step 3: Cross multiply
    226,422x = 339,682.08 × 68,662.32
  4. Step 4: Simplify right side
    226,422x = 23,323,359,675.23
  5. Step 5: Solve for x
    x = 23,323,359,675.23/226,422
  6. Step 6: Final answer
    x = 103,008.36

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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.