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Finding the Fourth Proportional to 226,806.54, 340,197.30 and 69,022.68

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Solution

The fourth proportional to 226,806.54, 340,197.30 and 69,022.68 is: 103,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,806.54 : 340,197.30 = 69,022.68 : x
  2. Step 2: Convert to fraction form
    226,806.54/340,197.30 = 69,022.68/x
  3. Step 3: Cross multiply
    226,806.54x = 340,197.30 × 69,022.68
  4. Step 4: Simplify right side
    226,806.54x = 23,481,329,374.76
  5. Step 5: Solve for x
    x = 23,481,329,374.76/226,806.54
  6. Step 6: Final answer
    x = 103,530.21

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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.