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Finding the Fourth Proportional to 163,846, 226,093.08 and 91,243.41

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Solution

The fourth proportional to 163,846, 226,093.08 and 91,243.41 is: 125,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,846 : 226,093.08 = 91,243.41 : x
  2. Step 2: Convert to fraction form
    163,846/226,093.08 = 91,243.41/x
  3. Step 3: Cross multiply
    163,846x = 226,093.08 × 91,243.41
  4. Step 4: Simplify right side
    163,846x = 20,629,503,596.60
  5. Step 5: Solve for x
    x = 20,629,503,596.60/163,846
  6. Step 6: Final answer
    x = 125,907.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.