Finding the Fourth Proportional to 107,594.40, 161,391.60 and 97,226.40
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Solution
The fourth proportional to 107,594.40, 161,391.60 and 97,226.40 is: 145,839.60
Step by Step Solution
- Step 1: Write the proportion equation
107,594.40 : 161,391.60 = 97,226.40 : x - Step 2: Convert to fraction form
107,594.40/161,391.60 = 97,226.40/x - Step 3: Cross multiply
107,594.40x = 161,391.60 × 97,226.40 - Step 4: Simplify right side
107,594.40x = 15,691,524,258.24 - Step 5: Solve for x
x = 15,691,524,258.24/107,594.40 - Step 6: Final answer
x = 145,839.60
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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.