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Finding the Fourth Proportional to 226,798.96, 340,100.10 and 68,990.98

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Solution

The fourth proportional to 226,798.96, 340,100.10 and 68,990.98 is: 103,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,798.96 : 340,100.10 = 68,990.98 : x
  2. Step 2: Convert to fraction form
    226,798.96/340,100.10 = 68,990.98/x
  3. Step 3: Cross multiply
    226,798.96x = 340,100.10 × 68,990.98
  4. Step 4: Simplify right side
    226,798.96x = 23,463,839,197.10
  5. Step 5: Solve for x
    x = 23,463,839,197.10/226,798.96
  6. Step 6: Final answer
    x = 103,456.56

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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.