Finding the Fourth Proportional to 170,974.68, 235,956.23 and 113,524.05
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Solution
The fourth proportional to 170,974.68, 235,956.23 and 113,524.05 is: 156,670.61
Step by Step Solution
- Step 1: Write the proportion equation
170,974.68 : 235,956.23 = 113,524.05 : x - Step 2: Convert to fraction form
170,974.68/235,956.23 = 113,524.05/x - Step 3: Cross multiply
170,974.68x = 235,956.23 × 113,524.05 - Step 4: Simplify right side
170,974.68x = 26,786,706,852.33 - Step 5: Solve for x
x = 26,786,706,852.33/170,974.68 - Step 6: Final answer
x = 156,670.61
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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.