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Finding the Fourth Proportional to 79,846.14, 119,780.15 and 27,241.50

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Solution

The fourth proportional to 79,846.14, 119,780.15 and 27,241.50 is: 40,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,846.14 : 119,780.15 = 27,241.50 : x
  2. Step 2: Convert to fraction form
    79,846.14/119,780.15 = 27,241.50/x
  3. Step 3: Cross multiply
    79,846.14x = 119,780.15 × 27,241.50
  4. Step 4: Simplify right side
    79,846.14x = 3,262,990,820.02
  5. Step 5: Solve for x
    x = 3,262,990,820.02/79,846.14
  6. Step 6: Final answer
    x = 40,865.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.