Finding the Fourth Proportional to 107,099.66, 160,648.26 and 43,905.66
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Solution
The fourth proportional to 107,099.66, 160,648.26 and 43,905.66 is: 65,857.99
Step by Step Solution
- Step 1: Write the proportion equation
107,099.66 : 160,648.26 = 43,905.66 : x - Step 2: Convert to fraction form
107,099.66/160,648.26 = 43,905.66/x - Step 3: Cross multiply
107,099.66x = 160,648.26 × 43,905.66 - Step 4: Simplify right side
107,099.66x = 7,053,367,883.15 - Step 5: Solve for x
x = 7,053,367,883.15/107,099.66 - Step 6: Final answer
x = 65,857.99
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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.