Finding the Fourth Proportional to 141,842.26, 212,811.99 and 48,413.62
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Solution
The fourth proportional to 141,842.26, 212,811.99 and 48,413.62 is: 72,637.01
Step by Step Solution
- Step 1: Write the proportion equation
141,842.26 : 212,811.99 = 48,413.62 : x - Step 2: Convert to fraction form
141,842.26/212,811.99 = 48,413.62/x - Step 3: Cross multiply
141,842.26x = 212,811.99 × 48,413.62 - Step 4: Simplify right side
141,842.26x = 10,302,997,509.18 - Step 5: Solve for x
x = 10,302,997,509.18/141,842.26 - Step 6: Final answer
x = 72,637.01
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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.