Finding the Fourth Proportional to 132,341.77, 198,462.97 and 48,081.12
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Solution
The fourth proportional to 132,341.77, 198,462.97 and 48,081.12 is: 72,103.63
Step by Step Solution
- Step 1: Write the proportion equation
132,341.77 : 198,462.97 = 48,081.12 : x - Step 2: Convert to fraction form
132,341.77/198,462.97 = 48,081.12/x - Step 3: Cross multiply
132,341.77x = 198,462.97 × 48,081.12 - Step 4: Simplify right side
132,341.77x = 9,542,321,876.13 - Step 5: Solve for x
x = 9,542,321,876.13/132,341.77 - Step 6: Final answer
x = 72,103.63
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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.