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Finding the Fourth Proportional to 226,510.90, 339,766.35 and 68,739.10

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Solution

The fourth proportional to 226,510.90, 339,766.35 and 68,739.10 is: 103,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,510.90 : 339,766.35 = 68,739.10 : x
  2. Step 2: Convert to fraction form
    226,510.90/339,766.35 = 68,739.10/x
  3. Step 3: Cross multiply
    226,510.90x = 339,766.35 × 68,739.10
  4. Step 4: Simplify right side
    226,510.90x = 23,355,233,109.29
  5. Step 5: Solve for x
    x = 23,355,233,109.29/226,510.90
  6. Step 6: Final answer
    x = 103,108.65

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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.