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Finding the Fourth Proportional to 227,173.23, 340,763.40 and 67,265.39

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Solution

The fourth proportional to 227,173.23, 340,763.40 and 67,265.39 is: 100,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,173.23 : 340,763.40 = 67,265.39 : x
  2. Step 2: Convert to fraction form
    227,173.23/340,763.40 = 67,265.39/x
  3. Step 3: Cross multiply
    227,173.23x = 340,763.40 × 67,265.39
  4. Step 4: Simplify right side
    227,173.23x = 22,921,582,998.73
  5. Step 5: Solve for x
    x = 22,921,582,998.73/227,173.23
  6. Step 6: Final answer
    x = 100,899.14

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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.