Finding the Fourth Proportional to 120,341.26, 166,114.56 and 70,040.26
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Solution
The fourth proportional to 120,341.26, 166,114.56 and 70,040.26 is: 96,680.95
Step by Step Solution
- Step 1: Write the proportion equation
120,341.26 : 166,114.56 = 70,040.26 : x - Step 2: Convert to fraction form
120,341.26/166,114.56 = 70,040.26/x - Step 3: Cross multiply
120,341.26x = 166,114.56 × 70,040.26 - Step 4: Simplify right side
120,341.26x = 11,634,706,972.19 - Step 5: Solve for x
x = 11,634,706,972.19/120,341.26 - Step 6: Final answer
x = 96,680.95
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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.