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Finding the Fourth Proportional to 67,996.87, 93,834.45 and 37,781.03

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Solution

The fourth proportional to 67,996.87, 93,834.45 and 37,781.03 is: 52,137.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,996.87 : 93,834.45 = 37,781.03 : x
  2. Step 2: Convert to fraction form
    67,996.87/93,834.45 = 37,781.03/x
  3. Step 3: Cross multiply
    67,996.87x = 93,834.45 × 37,781.03
  4. Step 4: Simplify right side
    67,996.87x = 3,545,162,405.07
  5. Step 5: Solve for x
    x = 3,545,162,405.07/67,996.87
  6. Step 6: Final answer
    x = 52,137.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.