Finding the Fourth Proportional to 125,349.92, 188,108.80 and 46,464.80
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Solution
The fourth proportional to 125,349.92, 188,108.80 and 46,464.80 is: 69,728.31
Step by Step Solution
- Step 1: Write the proportion equation
125,349.92 : 188,108.80 = 46,464.80 : x - Step 2: Convert to fraction form
125,349.92/188,108.80 = 46,464.80/x - Step 3: Cross multiply
125,349.92x = 188,108.80 × 46,464.80 - Step 4: Simplify right side
125,349.92x = 8,740,437,770.24 - Step 5: Solve for x
x = 8,740,437,770.24/125,349.92 - Step 6: Final answer
x = 69,728.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.