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Finding the Fourth Proportional to 103,993.98, 155,990.95 and 33,873.29

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Solution

The fourth proportional to 103,993.98, 155,990.95 and 33,873.29 is: 50,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,993.98 : 155,990.95 = 33,873.29 : x
  2. Step 2: Convert to fraction form
    103,993.98/155,990.95 = 33,873.29/x
  3. Step 3: Cross multiply
    103,993.98x = 155,990.95 × 33,873.29
  4. Step 4: Simplify right side
    103,993.98x = 5,283,926,407.05
  5. Step 5: Solve for x
    x = 5,283,926,407.05/103,993.98
  6. Step 6: Final answer
    x = 50,809.93

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Similar ratio
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1.5x scale

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.