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Finding the Fourth Proportional to 103,314.80, 154,998.60 and 33,194.80

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Solution

The fourth proportional to 103,314.80, 154,998.60 and 33,194.80 is: 49,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,314.80 : 154,998.60 = 33,194.80 : x
  2. Step 2: Convert to fraction form
    103,314.80/154,998.60 = 33,194.80/x
  3. Step 3: Cross multiply
    103,314.80x = 154,998.60 × 33,194.80
  4. Step 4: Simplify right side
    103,314.80x = 5,145,147,527.28
  5. Step 5: Solve for x
    x = 5,145,147,527.28/103,314.80
  6. Step 6: Final answer
    x = 49,800.68

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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.