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Finding the Fourth Proportional to 226,743.68, 340,103.18 and 68,959.82

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Solution

The fourth proportional to 226,743.68, 340,103.18 and 68,959.82 is: 103,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,743.68 : 340,103.18 = 68,959.82 : x
  2. Step 2: Convert to fraction form
    226,743.68/340,103.18 = 68,959.82/x
  3. Step 3: Cross multiply
    226,743.68x = 340,103.18 × 68,959.82
  4. Step 4: Simplify right side
    226,743.68x = 23,453,455,096.89
  5. Step 5: Solve for x
    x = 23,453,455,096.89/226,743.68
  6. Step 6: Final answer
    x = 103,435.98

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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.