Finding the Fourth Proportional to 110,609.75, 165,915.26 and 27,503.75
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Solution
The fourth proportional to 110,609.75, 165,915.26 and 27,503.75 is: 41,255.78
Step by Step Solution
- Step 1: Write the proportion equation
110,609.75 : 165,915.26 = 27,503.75 : x - Step 2: Convert to fraction form
110,609.75/165,915.26 = 27,503.75/x - Step 3: Cross multiply
110,609.75x = 165,915.26 × 27,503.75 - Step 4: Simplify right side
110,609.75x = 4,563,291,832.23 - Step 5: Solve for x
x = 4,563,291,832.23/110,609.75 - Step 6: Final answer
x = 41,255.78
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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.