Finding the Fourth Proportional to 126,033.72, 173,924.94 and 68,675.49
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Solution
The fourth proportional to 126,033.72, 173,924.94 and 68,675.49 is: 94,771.31
Step by Step Solution
- Step 1: Write the proportion equation
126,033.72 : 173,924.94 = 68,675.49 : x - Step 2: Convert to fraction form
126,033.72/173,924.94 = 68,675.49/x - Step 3: Cross multiply
126,033.72x = 173,924.94 × 68,675.49 - Step 4: Simplify right side
126,033.72x = 11,944,380,477.72 - Step 5: Solve for x
x = 11,944,380,477.72/126,033.72 - Step 6: Final answer
x = 94,771.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.