Finding the Fourth Proportional to 126,133.44, 189,040.17 and 124,798.65
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Solution
The fourth proportional to 126,133.44, 189,040.17 and 124,798.65 is: 187,039.68
Step by Step Solution
- Step 1: Write the proportion equation
126,133.44 : 189,040.17 = 124,798.65 : x - Step 2: Convert to fraction form
126,133.44/189,040.17 = 124,798.65/x - Step 3: Cross multiply
126,133.44x = 189,040.17 × 124,798.65 - Step 4: Simplify right side
126,133.44x = 23,591,958,011.77 - Step 5: Solve for x
x = 23,591,958,011.77/126,133.44 - Step 6: Final answer
x = 187,039.68
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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.