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Finding the Fourth Proportional to 73,806.40, 110,596.20 and 54,998.20

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Solution

The fourth proportional to 73,806.40, 110,596.20 and 54,998.20 is: 82,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,806.40 : 110,596.20 = 54,998.20 : x
  2. Step 2: Convert to fraction form
    73,806.40/110,596.20 = 54,998.20/x
  3. Step 3: Cross multiply
    73,806.40x = 110,596.20 × 54,998.20
  4. Step 4: Simplify right side
    73,806.40x = 6,082,591,926.84
  5. Step 5: Solve for x
    x = 6,082,591,926.84/73,806.40
  6. Step 6: Final answer
    x = 82,412.80

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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.