Finding the Fourth Proportional to 136,896.49, 205,204.95 and 92,527.75
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Solution
The fourth proportional to 136,896.49, 205,204.95 and 92,527.75 is: 138,697.14
Step by Step Solution
- Step 1: Write the proportion equation
136,896.49 : 205,204.95 = 92,527.75 : x - Step 2: Convert to fraction form
136,896.49/205,204.95 = 92,527.75/x - Step 3: Cross multiply
136,896.49x = 205,204.95 × 92,527.75 - Step 4: Simplify right side
136,896.49x = 18,987,152,312.36 - Step 5: Solve for x
x = 18,987,152,312.36/136,896.49 - Step 6: Final answer
x = 138,697.14
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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.