Finding the Fourth Proportional to 125,791.53, 173,595.47 and 68,434.08
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Solution
The fourth proportional to 125,791.53, 173,595.47 and 68,434.08 is: 94,440.75
Step by Step Solution
- Step 1: Write the proportion equation
125,791.53 : 173,595.47 = 68,434.08 : x - Step 2: Convert to fraction form
125,791.53/173,595.47 = 68,434.08/x - Step 3: Cross multiply
125,791.53x = 173,595.47 × 68,434.08 - Step 4: Simplify right side
125,791.53x = 11,879,846,281.62 - Step 5: Solve for x
x = 11,879,846,281.62/125,791.53 - Step 6: Final answer
x = 94,440.75
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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.