Finding the Fourth Proportional to 133,660.13, 184,450.97 and 74,044.13
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Solution
The fourth proportional to 133,660.13, 184,450.97 and 74,044.13 is: 102,180.89
Step by Step Solution
- Step 1: Write the proportion equation
133,660.13 : 184,450.97 = 74,044.13 : x - Step 2: Convert to fraction form
133,660.13/184,450.97 = 74,044.13/x - Step 3: Cross multiply
133,660.13x = 184,450.97 × 74,044.13 - Step 4: Simplify right side
133,660.13x = 13,657,511,601.31 - Step 5: Solve for x
x = 13,657,511,601.31/133,660.13 - Step 6: Final answer
x = 102,180.89
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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.