Finding the Fourth Proportional to 107,207.20, 160,887.60 and 44,922.40
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Solution
The fourth proportional to 107,207.20, 160,887.60 and 44,922.40 is: 67,415.78
Step by Step Solution
- Step 1: Write the proportion equation
107,207.20 : 160,887.60 = 44,922.40 : x - Step 2: Convert to fraction form
107,207.20/160,887.60 = 44,922.40/x - Step 3: Cross multiply
107,207.20x = 160,887.60 × 44,922.40 - Step 4: Simplify right side
107,207.20x = 7,227,457,122.24 - Step 5: Solve for x
x = 7,227,457,122.24/107,207.20 - Step 6: Final answer
x = 67,415.78
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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.