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Finding the Fourth Proportional to 174,743.62, 262,064.64 and 68,103.83

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Solution

The fourth proportional to 174,743.62, 262,064.64 and 68,103.83 is: 102,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,743.62 : 262,064.64 = 68,103.83 : x
  2. Step 2: Convert to fraction form
    174,743.62/262,064.64 = 68,103.83/x
  3. Step 3: Cross multiply
    174,743.62x = 262,064.64 × 68,103.83
  4. Step 4: Simplify right side
    174,743.62x = 17,847,605,691.57
  5. Step 5: Solve for x
    x = 17,847,605,691.57/174,743.62
  6. Step 6: Final answer
    x = 102,135.95

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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.