Finding the Fourth Proportional to 113,203.94, 169,836.53 and 38,324.09
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Solution
The fourth proportional to 113,203.94, 169,836.53 and 38,324.09 is: 57,496.49
Step by Step Solution
- Step 1: Write the proportion equation
113,203.94 : 169,836.53 = 38,324.09 : x - Step 2: Convert to fraction form
113,203.94/169,836.53 = 38,324.09/x - Step 3: Cross multiply
113,203.94x = 169,836.53 × 38,324.09 - Step 4: Simplify right side
113,203.94x = 6,508,829,420.20 - Step 5: Solve for x
x = 6,508,829,420.20/113,203.94 - Step 6: Final answer
x = 57,496.49
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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.