Finding the Fourth Proportional to 125,723.42, 173,491.08 and 69,134.84
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Solution
The fourth proportional to 125,723.42, 173,491.08 and 69,134.84 is: 95,402.10
Step by Step Solution
- Step 1: Write the proportion equation
125,723.42 : 173,491.08 = 69,134.84 : x - Step 2: Convert to fraction form
125,723.42/173,491.08 = 69,134.84/x - Step 3: Cross multiply
125,723.42x = 173,491.08 × 69,134.84 - Step 4: Simplify right side
125,723.42x = 11,994,278,057.23 - Step 5: Solve for x
x = 11,994,278,057.23/125,723.42 - Step 6: Final answer
x = 95,402.10
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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.