Finding the Fourth Proportional to 125,623.64, 173,357.19 and 69,035.01
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Solution
The fourth proportional to 125,623.64, 173,357.19 and 69,035.01 is: 95,266.43
Step by Step Solution
- Step 1: Write the proportion equation
125,623.64 : 173,357.19 = 69,035.01 : x - Step 2: Convert to fraction form
125,623.64/173,357.19 = 69,035.01/x - Step 3: Cross multiply
125,623.64x = 173,357.19 × 69,035.01 - Step 4: Simplify right side
125,623.64x = 11,967,715,345.22 - Step 5: Solve for x
x = 11,967,715,345.22/125,623.64 - Step 6: Final answer
x = 95,266.43
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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.