Finding the Fourth Proportional to 126,324.05, 189,460.44 and 46,334.79
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Solution
The fourth proportional to 126,324.05, 189,460.44 and 46,334.79 is: 69,492.78
Step by Step Solution
- Step 1: Write the proportion equation
126,324.05 : 189,460.44 = 46,334.79 : x - Step 2: Convert to fraction form
126,324.05/189,460.44 = 46,334.79/x - Step 3: Cross multiply
126,324.05x = 189,460.44 × 46,334.79 - Step 4: Simplify right side
126,324.05x = 8,778,609,311.43 - Step 5: Solve for x
x = 8,778,609,311.43/126,324.05 - Step 6: Final answer
x = 69,492.78
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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.