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Finding the Fourth Proportional to 199,194.50, 274,888.42 and 108,550.44

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Solution

The fourth proportional to 199,194.50, 274,888.42 and 108,550.44 is: 149,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,194.50 : 274,888.42 = 108,550.44 : x
  2. Step 2: Convert to fraction form
    199,194.50/274,888.42 = 108,550.44/x
  3. Step 3: Cross multiply
    199,194.50x = 274,888.42 × 108,550.44
  4. Step 4: Simplify right side
    199,194.50x = 29,839,258,670.53
  5. Step 5: Solve for x
    x = 29,839,258,670.53/199,194.50
  6. Step 6: Final answer
    x = 149,799.61

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1.5x scale

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.