Finding the Fourth Proportional to 126,033.36, 189,068.83 and 44,974.07
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Solution
The fourth proportional to 126,033.36, 189,068.83 and 44,974.07 is: 67,467.81
Step by Step Solution
- Step 1: Write the proportion equation
126,033.36 : 189,068.83 = 44,974.07 : x - Step 2: Convert to fraction form
126,033.36/189,068.83 = 44,974.07/x - Step 3: Cross multiply
126,033.36x = 189,068.83 × 44,974.07 - Step 4: Simplify right side
126,033.36x = 8,503,194,570.37 - Step 5: Solve for x
x = 8,503,194,570.37/126,033.36 - Step 6: Final answer
x = 67,467.81
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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.