Finding the Fourth Proportional to 122,793.14, 169,464.37 and 69,074.95
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Solution
The fourth proportional to 122,793.14, 169,464.37 and 69,074.95 is: 95,328.96
Step by Step Solution
- Step 1: Write the proportion equation
122,793.14 : 169,464.37 = 69,074.95 : x - Step 2: Convert to fraction form
122,793.14/169,464.37 = 69,074.95/x - Step 3: Cross multiply
122,793.14x = 169,464.37 × 69,074.95 - Step 4: Simplify right side
122,793.14x = 11,705,742,884.53 - Step 5: Solve for x
x = 11,705,742,884.53/122,793.14 - Step 6: Final answer
x = 95,328.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.