Finding the Fourth Proportional to 125,656.11, 173,406.42 and 69,067.49
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Solution
The fourth proportional to 125,656.11, 173,406.42 and 69,067.49 is: 95,313.67
Step by Step Solution
- Step 1: Write the proportion equation
125,656.11 : 173,406.42 = 69,067.49 : x - Step 2: Convert to fraction form
125,656.11/173,406.42 = 69,067.49/x - Step 3: Cross multiply
125,656.11x = 173,406.42 × 69,067.49 - Step 4: Simplify right side
125,656.11x = 11,976,745,312.25 - Step 5: Solve for x
x = 11,976,745,312.25/125,656.11 - Step 6: Final answer
x = 95,313.67
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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.