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Finding the Fourth Proportional to 226,489.90, 339,994.05 and 133,048.30

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Solution

The fourth proportional to 226,489.90, 339,994.05 and 133,048.30 is: 199,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,489.90 : 339,994.05 = 133,048.30 : x
  2. Step 2: Convert to fraction form
    226,489.90/339,994.05 = 133,048.30/x
  3. Step 3: Cross multiply
    226,489.90x = 339,994.05 × 133,048.30
  4. Step 4: Simplify right side
    226,489.90x = 45,235,630,362.62
  5. Step 5: Solve for x
    x = 45,235,630,362.62/226,489.90
  6. Step 6: Final answer
    x = 199,724.71

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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.