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Finding the Fourth Proportional to 226,573.68, 339,838.54 and 68,803.48

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Solution

The fourth proportional to 226,573.68, 339,838.54 and 68,803.48 is: 103,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,573.68 : 339,838.54 = 68,803.48 : x
  2. Step 2: Convert to fraction form
    226,573.68/339,838.54 = 68,803.48/x
  3. Step 3: Cross multiply
    226,573.68x = 339,838.54 × 68,803.48
  4. Step 4: Simplify right side
    226,573.68x = 23,382,074,190.12
  5. Step 5: Solve for x
    x = 23,382,074,190.12/226,573.68
  6. Step 6: Final answer
    x = 103,198.55

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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.