Finding the Fourth Proportional to 122,797.27, 169,470.06 and 69,079.09
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Solution
The fourth proportional to 122,797.27, 169,470.06 and 69,079.09 is: 95,334.67
Step by Step Solution
- Step 1: Write the proportion equation
122,797.27 : 169,470.06 = 69,079.09 : x - Step 2: Convert to fraction form
122,797.27/169,470.06 = 69,079.09/x - Step 3: Cross multiply
122,797.27x = 169,470.06 × 69,079.09 - Step 4: Simplify right side
122,797.27x = 11,706,837,527.05 - Step 5: Solve for x
x = 11,706,837,527.05/122,797.27 - Step 6: Final answer
x = 95,334.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.