Finding the Fourth Proportional to 120,566.86, 180,880.26 and 36,325.12
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Solution
The fourth proportional to 120,566.86, 180,880.26 and 36,325.12 is: 54,496.71
Step by Step Solution
- Step 1: Write the proportion equation
120,566.86 : 180,880.26 = 36,325.12 : x - Step 2: Convert to fraction form
120,566.86/180,880.26 = 36,325.12/x - Step 3: Cross multiply
120,566.86x = 180,880.26 × 36,325.12 - Step 4: Simplify right side
120,566.86x = 6,570,497,150.13 - Step 5: Solve for x
x = 6,570,497,150.13/120,566.86 - Step 6: Final answer
x = 54,496.71
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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.