Finding the Fourth Proportional to 372,775.94, 559,163.91 and 92,293.19
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Solution
The fourth proportional to 372,775.94, 559,163.91 and 92,293.19 is: 138,439.79
Step by Step Solution
- Step 1: Write the proportion equation
372,775.94 : 559,163.91 = 92,293.19 : x - Step 2: Convert to fraction form
372,775.94/559,163.91 = 92,293.19/x - Step 3: Cross multiply
372,775.94x = 559,163.91 × 92,293.19 - Step 4: Simplify right side
372,775.94x = 51,607,020,986.77 - Step 5: Solve for x
x = 51,607,020,986.77/372,775.94 - Step 6: Final answer
x = 138,439.79
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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.