Finding the Fourth Proportional to 271,947.20, 407,780.73 and 122,058.99
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Solution
The fourth proportional to 271,947.20, 407,780.73 and 122,058.99 is: 183,025.62
Step by Step Solution
- Step 1: Write the proportion equation
271,947.20 : 407,780.73 = 122,058.99 : x - Step 2: Convert to fraction form
271,947.20/407,780.73 = 122,058.99/x - Step 3: Cross multiply
271,947.20x = 407,780.73 × 122,058.99 - Step 4: Simplify right side
271,947.20x = 49,773,304,045.26 - Step 5: Solve for x
x = 49,773,304,045.26/271,947.20 - Step 6: Final answer
x = 183,025.62
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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.