Finding the Fourth Proportional to 116,739.14, 174,857.20 and 79,092.66
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Solution
The fourth proportional to 116,739.14, 174,857.20 and 79,092.66 is: 118,468.60
Step by Step Solution
- Step 1: Write the proportion equation
116,739.14 : 174,857.20 = 79,092.66 : x - Step 2: Convert to fraction form
116,739.14/174,857.20 = 79,092.66/x - Step 3: Cross multiply
116,739.14x = 174,857.20 × 79,092.66 - Step 4: Simplify right side
116,739.14x = 13,829,921,526.13 - Step 5: Solve for x
x = 13,829,921,526.13/116,739.14 - Step 6: Final answer
x = 118,468.60
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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.