Finding the Fourth Proportional to 135,592.49, 187,097.96 and 75,163.09
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Solution
The fourth proportional to 135,592.49, 187,097.96 and 75,163.09 is: 103,714.16
Step by Step Solution
- Step 1: Write the proportion equation
135,592.49 : 187,097.96 = 75,163.09 : x - Step 2: Convert to fraction form
135,592.49/187,097.96 = 75,163.09/x - Step 3: Cross multiply
135,592.49x = 187,097.96 × 75,163.09 - Step 4: Simplify right side
135,592.49x = 14,062,860,806.30 - Step 5: Solve for x
x = 14,062,860,806.30/135,592.49 - Step 6: Final answer
x = 103,714.16
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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.