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Finding the Fourth Proportional to 79,825, 119,738.10 and 35,439.84

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Solution

The fourth proportional to 79,825, 119,738.10 and 35,439.84 is: 53,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,825 : 119,738.10 = 35,439.84 : x
  2. Step 2: Convert to fraction form
    79,825/119,738.10 = 35,439.84/x
  3. Step 3: Cross multiply
    79,825x = 119,738.10 × 35,439.84
  4. Step 4: Simplify right side
    79,825x = 4,243,499,105.90
  5. Step 5: Solve for x
    x = 4,243,499,105.90/79,825
  6. Step 6: Final answer
    x = 53,160.03

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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.