Finding the Fourth Proportional to 118,294.68, 177,344.01 and 47,173.44
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Solution
The fourth proportional to 118,294.68, 177,344.01 and 47,173.44 is: 70,721.08
Step by Step Solution
- Step 1: Write the proportion equation
118,294.68 : 177,344.01 = 47,173.44 : x - Step 2: Convert to fraction form
118,294.68/177,344.01 = 47,173.44/x - Step 3: Cross multiply
118,294.68x = 177,344.01 × 47,173.44 - Step 4: Simplify right side
118,294.68x = 8,365,927,015.09 - Step 5: Solve for x
x = 8,365,927,015.09/118,294.68 - Step 6: Final answer
x = 70,721.08
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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.