Finding the Fourth Proportional to 164,529.92, 246,763.67 and 80,205.28
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Solution
The fourth proportional to 164,529.92, 246,763.67 and 80,205.28 is: 120,292.70
Step by Step Solution
- Step 1: Write the proportion equation
164,529.92 : 246,763.67 = 80,205.28 : x - Step 2: Convert to fraction form
164,529.92/246,763.67 = 80,205.28/x - Step 3: Cross multiply
164,529.92x = 246,763.67 × 80,205.28 - Step 4: Simplify right side
164,529.92x = 19,791,748,228.24 - Step 5: Solve for x
x = 19,791,748,228.24/164,529.92 - Step 6: Final answer
x = 120,292.70
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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.