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Finding the Fourth Proportional to 308,766.87, 463,087.26 and 109,093.77

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Solution

The fourth proportional to 308,766.87, 463,087.26 and 109,093.77 is: 163,618.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,766.87 : 463,087.26 = 109,093.77 : x
  2. Step 2: Convert to fraction form
    308,766.87/463,087.26 = 109,093.77/x
  3. Step 3: Cross multiply
    308,766.87x = 463,087.26 × 109,093.77
  4. Step 4: Simplify right side
    308,766.87x = 50,519,935,032.37
  5. Step 5: Solve for x
    x = 50,519,935,032.37/308,766.87
  6. Step 6: Final answer
    x = 163,618.38

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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.