Finding the Fourth Proportional to 167,987.68, 251,899.40 and 73,297.88
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Solution
The fourth proportional to 167,987.68, 251,899.40 and 73,297.88 is: 109,910.99
Step by Step Solution
- Step 1: Write the proportion equation
167,987.68 : 251,899.40 = 73,297.88 : x - Step 2: Convert to fraction form
167,987.68/251,899.40 = 73,297.88/x - Step 3: Cross multiply
167,987.68x = 251,899.40 × 73,297.88 - Step 4: Simplify right side
167,987.68x = 18,463,691,993.27 - Step 5: Solve for x
x = 18,463,691,993.27/167,987.68 - Step 6: Final answer
x = 109,910.99
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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.