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Finding the Fourth Proportional to 226,541.70, 339,726.15 and 68,717.70

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Solution

The fourth proportional to 226,541.70, 339,726.15 and 68,717.70 is: 103,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,541.70 : 339,726.15 = 68,717.70 : x
  2. Step 2: Convert to fraction form
    226,541.70/339,726.15 = 68,717.70/x
  3. Step 3: Cross multiply
    226,541.70x = 339,726.15 × 68,717.70
  4. Step 4: Simplify right side
    226,541.70x = 23,345,199,657.86
  5. Step 5: Solve for x
    x = 23,345,199,657.86/226,541.70
  6. Step 6: Final answer
    x = 103,050.34

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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.