Finding the Fourth Proportional to 122,750.44, 169,381.84 and 69,034.30
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Solution
The fourth proportional to 122,750.44, 169,381.84 and 69,034.30 is: 95,259.59
Step by Step Solution
- Step 1: Write the proportion equation
122,750.44 : 169,381.84 = 69,034.30 : x - Step 2: Convert to fraction form
122,750.44/169,381.84 = 69,034.30/x - Step 3: Cross multiply
122,750.44x = 169,381.84 × 69,034.30 - Step 4: Simplify right side
122,750.44x = 11,693,156,757.11 - Step 5: Solve for x
x = 11,693,156,757.11/122,750.44 - Step 6: Final answer
x = 95,259.59
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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.