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Finding the Fourth Proportional to 68,176.69, 102,269.70 and 23,179.73

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Solution

The fourth proportional to 68,176.69, 102,269.70 and 23,179.73 is: 34,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,176.69 : 102,269.70 = 23,179.73 : x
  2. Step 2: Convert to fraction form
    68,176.69/102,269.70 = 23,179.73/x
  3. Step 3: Cross multiply
    68,176.69x = 102,269.70 × 23,179.73
  4. Step 4: Simplify right side
    68,176.69x = 2,370,583,917.28
  5. Step 5: Solve for x
    x = 2,370,583,917.28/68,176.69
  6. Step 6: Final answer
    x = 34,771.18

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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.