Finding the Fourth Proportional to 73,135.30, 102,622.70 and 73,135.30
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Solution
The fourth proportional to 73,135.30, 102,622.70 and 73,135.30 is: 102,622.70
Step by Step Solution
- Step 1: Write the proportion equation
73,135.30 : 102,622.70 = 73,135.30 : x - Step 2: Convert to fraction form
73,135.30/102,622.70 = 73,135.30/x - Step 3: Cross multiply
73,135.30x = 102,622.70 × 73,135.30 - Step 4: Simplify right side
73,135.30x = 7,505,341,951.31 - Step 5: Solve for x
x = 7,505,341,951.31/73,135.30 - Step 6: Final answer
x = 102,622.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.