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Finding the Fourth Proportional to 226,155, 339,232.50 and 68,379.96

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Solution

The fourth proportional to 226,155, 339,232.50 and 68,379.96 is: 102,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,155 : 339,232.50 = 68,379.96 : x
  2. Step 2: Convert to fraction form
    226,155/339,232.50 = 68,379.96/x
  3. Step 3: Cross multiply
    226,155x = 339,232.50 × 68,379.96
  4. Step 4: Simplify right side
    226,155x = 23,196,704,780.70
  5. Step 5: Solve for x
    x = 23,196,704,780.70/226,155
  6. Step 6: Final answer
    x = 102,569.94

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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.