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Finding the Fourth Proportional to 226,342.80, 339,181.88 and 113,868.42

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Solution

The fourth proportional to 226,342.80, 339,181.88 and 113,868.42 is: 170,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,342.80 : 339,181.88 = 113,868.42 : x
  2. Step 2: Convert to fraction form
    226,342.80/339,181.88 = 113,868.42/x
  3. Step 3: Cross multiply
    226,342.80x = 339,181.88 × 113,868.42
  4. Step 4: Simplify right side
    226,342.80x = 38,622,104,198.89
  5. Step 5: Solve for x
    x = 38,622,104,198.89/226,342.80
  6. Step 6: Final answer
    x = 170,635.44

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1.5x scale

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.