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Finding the Fourth Proportional to 117,817.50, 176,761.05 and 67,933.38

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Solution

The fourth proportional to 117,817.50, 176,761.05 and 67,933.38 is: 101,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,817.50 : 176,761.05 = 67,933.38 : x
  2. Step 2: Convert to fraction form
    117,817.50/176,761.05 = 67,933.38/x
  3. Step 3: Cross multiply
    117,817.50x = 176,761.05 × 67,933.38
  4. Step 4: Simplify right side
    117,817.50x = 12,007,975,578.85
  5. Step 5: Solve for x
    x = 12,007,975,578.85/117,817.50
  6. Step 6: Final answer
    x = 101,920.14

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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.