Finding the Fourth Proportional to 113,163.62, 156,166.90 and 62,175.53
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Solution
The fourth proportional to 113,163.62, 156,166.90 and 62,175.53 is: 85,802.84
Step by Step Solution
- Step 1: Write the proportion equation
113,163.62 : 156,166.90 = 62,175.53 : x - Step 2: Convert to fraction form
113,163.62/156,166.90 = 62,175.53/x - Step 3: Cross multiply
113,163.62x = 156,166.90 × 62,175.53 - Step 4: Simplify right side
113,163.62x = 9,709,760,010.94 - Step 5: Solve for x
x = 9,709,760,010.94/113,163.62 - Step 6: Final answer
x = 85,802.84
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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.