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Finding the Fourth Proportional to 226,653.69, 339,863.50 and 66,708.82

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Solution

The fourth proportional to 226,653.69, 339,863.50 and 66,708.82 is: 100,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,653.69 : 339,863.50 = 66,708.82 : x
  2. Step 2: Convert to fraction form
    226,653.69/339,863.50 = 66,708.82/x
  3. Step 3: Cross multiply
    226,653.69x = 339,863.50 × 66,708.82
  4. Step 4: Simplify right side
    226,653.69x = 22,671,891,267.32
  5. Step 5: Solve for x
    x = 22,671,891,267.32/226,653.69
  6. Step 6: Final answer
    x = 100,028.77

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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.