Finding the Fourth Proportional to 125,808.06, 173,617.77 and 69,219.54
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Solution
The fourth proportional to 125,808.06, 173,617.77 and 69,219.54 is: 95,524.42
Step by Step Solution
- Step 1: Write the proportion equation
125,808.06 : 173,617.77 = 69,219.54 : x - Step 2: Convert to fraction form
125,808.06/173,617.77 = 69,219.54/x - Step 3: Cross multiply
125,808.06x = 173,617.77 × 69,219.54 - Step 4: Simplify right side
125,808.06x = 12,017,742,175.23 - Step 5: Solve for x
x = 12,017,742,175.23/125,808.06 - Step 6: Final answer
x = 95,524.42
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1.5x scale
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.