Finding the Fourth Proportional to 132,360.36, 182,583.38 and 81,337.68
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Solution
The fourth proportional to 132,360.36, 182,583.38 and 81,337.68 is: 112,200.58
Step by Step Solution
- Step 1: Write the proportion equation
132,360.36 : 182,583.38 = 81,337.68 : x - Step 2: Convert to fraction form
132,360.36/182,583.38 = 81,337.68/x - Step 3: Cross multiply
132,360.36x = 182,583.38 × 81,337.68 - Step 4: Simplify right side
132,360.36x = 14,850,908,535.76 - Step 5: Solve for x
x = 14,850,908,535.76/132,360.36 - Step 6: Final answer
x = 112,200.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.