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Finding the Fourth Proportional to 226,505.60, 339,760.44 and 68,734.05

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Solution

The fourth proportional to 226,505.60, 339,760.44 and 68,734.05 is: 103,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,505.60 : 339,760.44 = 68,734.05 : x
  2. Step 2: Convert to fraction form
    226,505.60/339,760.44 = 68,734.05/x
  3. Step 3: Cross multiply
    226,505.60x = 339,760.44 × 68,734.05
  4. Step 4: Simplify right side
    226,505.60x = 23,353,111,070.98
  5. Step 5: Solve for x
    x = 23,353,111,070.98/226,505.60
  6. Step 6: Final answer
    x = 103,101.69

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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.