Finding the Fourth Proportional to 167,580.18, 251,452.26 and 78,842.70
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Solution
The fourth proportional to 167,580.18, 251,452.26 and 78,842.70 is: 118,302.62
Step by Step Solution
- Step 1: Write the proportion equation
167,580.18 : 251,452.26 = 78,842.70 : x - Step 2: Convert to fraction form
167,580.18/251,452.26 = 78,842.70/x - Step 3: Cross multiply
167,580.18x = 251,452.26 × 78,842.70 - Step 4: Simplify right side
167,580.18x = 19,825,175,099.50 - Step 5: Solve for x
x = 19,825,175,099.50/167,580.18 - Step 6: Final answer
x = 118,302.62
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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.