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Finding the Fourth Proportional to 99,914.85, 149,858.59 and 33,353.46

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Solution

The fourth proportional to 99,914.85, 149,858.59 and 33,353.46 is: 50,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,914.85 : 149,858.59 = 33,353.46 : x
  2. Step 2: Convert to fraction form
    99,914.85/149,858.59 = 33,353.46/x
  3. Step 3: Cross multiply
    99,914.85x = 149,858.59 × 33,353.46
  4. Step 4: Simplify right side
    99,914.85x = 4,998,302,487.22
  5. Step 5: Solve for x
    x = 4,998,302,487.22/99,914.85
  6. Step 6: Final answer
    x = 50,025.62

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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.