Finding the Fourth Proportional to 132,938.76, 199,343.34 and 44,161.68
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Solution
The fourth proportional to 132,938.76, 199,343.34 and 44,161.68 is: 66,220.99
Step by Step Solution
- Step 1: Write the proportion equation
132,938.76 : 199,343.34 = 44,161.68 : x - Step 2: Convert to fraction form
132,938.76/199,343.34 = 44,161.68/x - Step 3: Cross multiply
132,938.76x = 199,343.34 × 44,161.68 - Step 4: Simplify right side
132,938.76x = 8,803,336,791.21 - Step 5: Solve for x
x = 8,803,336,791.21/132,938.76 - Step 6: Final answer
x = 66,220.99
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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.