Finding the Fourth Proportional to 124,234.44, 171,442.80 and 67,645.68
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Solution
The fourth proportional to 124,234.44, 171,442.80 and 67,645.68 is: 93,350.64
Step by Step Solution
- Step 1: Write the proportion equation
124,234.44 : 171,442.80 = 67,645.68 : x - Step 2: Convert to fraction form
124,234.44/171,442.80 = 67,645.68/x - Step 3: Cross multiply
124,234.44x = 171,442.80 × 67,645.68 - Step 4: Simplify right side
124,234.44x = 11,597,364,787.10 - Step 5: Solve for x
x = 11,597,364,787.10/124,234.44 - Step 6: Final answer
x = 93,350.64
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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.