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Finding the Fourth Proportional to 226,861.94, 340,213.59 and 66,895.42

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Solution

The fourth proportional to 226,861.94, 340,213.59 and 66,895.42 is: 100,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,861.94 : 340,213.59 = 66,895.42 : x
  2. Step 2: Convert to fraction form
    226,861.94/340,213.59 = 66,895.42/x
  3. Step 3: Cross multiply
    226,861.94x = 340,213.59 × 66,895.42
  4. Step 4: Simplify right side
    226,861.94x = 22,758,728,957.21
  5. Step 5: Solve for x
    x = 22,758,728,957.21/226,861.94
  6. Step 6: Final answer
    x = 100,319.73

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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.