Finding the Fourth Proportional to 132,453.10, 198,679.85 and 61,336.99
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Solution
The fourth proportional to 132,453.10, 198,679.85 and 61,336.99 is: 92,005.58
Step by Step Solution
- Step 1: Write the proportion equation
132,453.10 : 198,679.85 = 61,336.99 : x - Step 2: Convert to fraction form
132,453.10/198,679.85 = 61,336.99/x - Step 3: Cross multiply
132,453.10x = 198,679.85 × 61,336.99 - Step 4: Simplify right side
132,453.10x = 12,186,423,629.29 - Step 5: Solve for x
x = 12,186,423,629.29/132,453.10 - Step 6: Final answer
x = 92,005.58
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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.