Finding the Fourth Proportional to 122,084.24, 182,798.24 and 77,469.44
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Solution
The fourth proportional to 122,084.24, 182,798.24 and 77,469.44 is: 115,995.95
Step by Step Solution
- Step 1: Write the proportion equation
122,084.24 : 182,798.24 = 77,469.44 : x - Step 2: Convert to fraction form
122,084.24/182,798.24 = 77,469.44/x - Step 3: Cross multiply
122,084.24x = 182,798.24 × 77,469.44 - Step 4: Simplify right side
122,084.24x = 14,161,277,285.79 - Step 5: Solve for x
x = 14,161,277,285.79/122,084.24 - Step 6: Final answer
x = 115,995.95
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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.