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Finding the Fourth Proportional to 194,682.87, 268,661.86 and 108,640.94

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Solution

The fourth proportional to 194,682.87, 268,661.86 and 108,640.94 is: 149,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,682.87 : 268,661.86 = 108,640.94 : x
  2. Step 2: Convert to fraction form
    194,682.87/268,661.86 = 108,640.94/x
  3. Step 3: Cross multiply
    194,682.87x = 268,661.86 × 108,640.94
  4. Step 4: Simplify right side
    194,682.87x = 29,187,677,012.55
  5. Step 5: Solve for x
    x = 29,187,677,012.55/194,682.87
  6. Step 6: Final answer
    x = 149,924.22

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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.