Finding the Fourth Proportional to 125,614.48, 173,351.16 and 69,027.28
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Solution
The fourth proportional to 125,614.48, 173,351.16 and 69,027.28 is: 95,259.39
Step by Step Solution
- Step 1: Write the proportion equation
125,614.48 : 173,351.16 = 69,027.28 : x - Step 2: Convert to fraction form
125,614.48/173,351.16 = 69,027.28/x - Step 3: Cross multiply
125,614.48x = 173,351.16 × 69,027.28 - Step 4: Simplify right side
125,614.48x = 11,965,959,059.64 - Step 5: Solve for x
x = 11,965,959,059.64/125,614.48 - Step 6: Final answer
x = 95,259.39
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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.