Finding the Fourth Proportional to 132,832.44, 183,287.70 and 74,677.68
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Solution
The fourth proportional to 132,832.44, 183,287.70 and 74,677.68 is: 103,043.35
Step by Step Solution
- Step 1: Write the proportion equation
132,832.44 : 183,287.70 = 74,677.68 : x - Step 2: Convert to fraction form
132,832.44/183,287.70 = 74,677.68/x - Step 3: Cross multiply
132,832.44x = 183,287.70 × 74,677.68 - Step 4: Simplify right side
132,832.44x = 13,687,500,208.54 - Step 5: Solve for x
x = 13,687,500,208.54/132,832.44 - Step 6: Final answer
x = 103,043.35
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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.