Finding the Fourth Proportional to 363,571.24, 545,386.02 and 126,908.68
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Solution
The fourth proportional to 363,571.24, 545,386.02 and 126,908.68 is: 190,373.20
Step by Step Solution
- Step 1: Write the proportion equation
363,571.24 : 545,386.02 = 126,908.68 : x - Step 2: Convert to fraction form
363,571.24/545,386.02 = 126,908.68/x - Step 3: Cross multiply
363,571.24x = 545,386.02 × 126,908.68 - Step 4: Simplify right side
363,571.24x = 69,214,219,888.65 - Step 5: Solve for x
x = 69,214,219,888.65/363,571.24 - Step 6: Final answer
x = 190,373.20
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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.