Finding the Fourth Proportional to 167,503.58, 251,201.34 and 55,157.09
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Solution
The fourth proportional to 167,503.58, 251,201.34 and 55,157.09 is: 82,717.84
Step by Step Solution
- Step 1: Write the proportion equation
167,503.58 : 251,201.34 = 55,157.09 : x - Step 2: Convert to fraction form
167,503.58/251,201.34 = 55,157.09/x - Step 3: Cross multiply
167,503.58x = 251,201.34 × 55,157.09 - Step 4: Simplify right side
167,503.58x = 13,855,533,662.49 - Step 5: Solve for x
x = 13,855,533,662.49/167,503.58 - Step 6: Final answer
x = 82,717.84
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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.