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Finding the Fourth Proportional to 143,168.67, 214,658.22 and 68,300.37

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Solution

The fourth proportional to 143,168.67, 214,658.22 and 68,300.37 is: 102,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,168.67 : 214,658.22 = 68,300.37 : x
  2. Step 2: Convert to fraction form
    143,168.67/214,658.22 = 68,300.37/x
  3. Step 3: Cross multiply
    143,168.67x = 214,658.22 × 68,300.37
  4. Step 4: Simplify right side
    143,168.67x = 14,661,235,849.54
  5. Step 5: Solve for x
    x = 14,661,235,849.54/143,168.67
  6. Step 6: Final answer
    x = 102,405.34

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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.