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Finding the Fourth Proportional to 227,025.80, 340,020.30 and 133,713.80

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Solution

The fourth proportional to 227,025.80, 340,020.30 and 133,713.80 is: 200,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,025.80 : 340,020.30 = 133,713.80 : x
  2. Step 2: Convert to fraction form
    227,025.80/340,020.30 = 133,713.80/x
  3. Step 3: Cross multiply
    227,025.80x = 340,020.30 × 133,713.80
  4. Step 4: Simplify right side
    227,025.80x = 45,465,406,390.14
  5. Step 5: Solve for x
    x = 45,465,406,390.14/227,025.80
  6. Step 6: Final answer
    x = 200,265.37

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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.