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Finding the Fourth Proportional to 226,707.10, 339,769.05 and 137,866.30

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Solution

The fourth proportional to 226,707.10, 339,769.05 and 137,866.30 is: 206,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,707.10 : 339,769.05 = 137,866.30 : x
  2. Step 2: Convert to fraction form
    226,707.10/339,769.05 = 137,866.30/x
  3. Step 3: Cross multiply
    226,707.10x = 339,769.05 × 137,866.30
  4. Step 4: Simplify right side
    226,707.10x = 46,842,701,778.02
  5. Step 5: Solve for x
    x = 46,842,701,778.02/226,707.10
  6. Step 6: Final answer
    x = 206,622.12

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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.