Finding the Fourth Proportional to 176,619.62, 264,740.70 and 128,472.82
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Solution
The fourth proportional to 176,619.62, 264,740.70 and 128,472.82 is: 192,571.94
Step by Step Solution
- Step 1: Write the proportion equation
176,619.62 : 264,740.70 = 128,472.82 : x - Step 2: Convert to fraction form
176,619.62/264,740.70 = 128,472.82/x - Step 3: Cross multiply
176,619.62x = 264,740.70 × 128,472.82 - Step 4: Simplify right side
176,619.62x = 34,011,984,117.70 - Step 5: Solve for x
x = 34,011,984,117.70/176,619.62 - Step 6: Final answer
x = 192,571.94
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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.