Finding the Fourth Proportional to 107,302.47, 160,982.42 and 37,181.79
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Solution
The fourth proportional to 107,302.47, 160,982.42 and 37,181.79 is: 55,782.64
Step by Step Solution
- Step 1: Write the proportion equation
107,302.47 : 160,982.42 = 37,181.79 : x - Step 2: Convert to fraction form
107,302.47/160,982.42 = 37,181.79/x - Step 3: Cross multiply
107,302.47x = 160,982.42 × 37,181.79 - Step 4: Simplify right side
107,302.47x = 5,985,614,534.13 - Step 5: Solve for x
x = 5,985,614,534.13/107,302.47 - Step 6: Final answer
x = 55,782.64
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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.