Finding the Fourth Proportional to 294,275.09, 441,416.70 and 83,912.99
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Solution
The fourth proportional to 294,275.09, 441,416.70 and 83,912.99 is: 125,870.64
Step by Step Solution
- Step 1: Write the proportion equation
294,275.09 : 441,416.70 = 83,912.99 : x - Step 2: Convert to fraction form
294,275.09/441,416.70 = 83,912.99/x - Step 3: Cross multiply
294,275.09x = 441,416.70 × 83,912.99 - Step 4: Simplify right side
294,275.09x = 37,040,595,132.93 - Step 5: Solve for x
x = 37,040,595,132.93/294,275.09 - Step 6: Final answer
x = 125,870.64
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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.