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Finding the Fourth Proportional to 226,552.50, 339,806.80 and 68,782.32

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Solution

The fourth proportional to 226,552.50, 339,806.80 and 68,782.32 is: 103,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,552.50 : 339,806.80 = 68,782.32 : x
  2. Step 2: Convert to fraction form
    226,552.50/339,806.80 = 68,782.32/x
  3. Step 3: Cross multiply
    226,552.50x = 339,806.80 × 68,782.32
  4. Step 4: Simplify right side
    226,552.50x = 23,372,700,055.78
  5. Step 5: Solve for x
    x = 23,372,700,055.78/226,552.50
  6. Step 6: Final answer
    x = 103,166.82

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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.