Finding the Fourth Proportional to 129,976.26, 194,924.70 and 55,095
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Solution
The fourth proportional to 129,976.26, 194,924.70 and 55,095 is: 82,625.68
Step by Step Solution
- Step 1: Write the proportion equation
129,976.26 : 194,924.70 = 55,095 : x - Step 2: Convert to fraction form
129,976.26/194,924.70 = 55,095/x - Step 3: Cross multiply
129,976.26x = 194,924.70 × 55,095 - Step 4: Simplify right side
129,976.26x = 10,739,376,346.50 - Step 5: Solve for x
x = 10,739,376,346.50/129,976.26 - Step 6: Final answer
x = 82,625.68
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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.