Finding the Fourth Proportional to 121,408.28, 182,090.36 and 32,641.08
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Solution
The fourth proportional to 121,408.28, 182,090.36 and 32,641.08 is: 48,955.69
Step by Step Solution
- Step 1: Write the proportion equation
121,408.28 : 182,090.36 = 32,641.08 : x - Step 2: Convert to fraction form
121,408.28/182,090.36 = 32,641.08/x - Step 3: Cross multiply
121,408.28x = 182,090.36 × 32,641.08 - Step 4: Simplify right side
121,408.28x = 5,943,626,007.99 - Step 5: Solve for x
x = 5,943,626,007.99/121,408.28 - Step 6: Final answer
x = 48,955.69
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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.