Finding the Fourth Proportional to 416,679.87, 625,020.12 and 101,137.08
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Solution
The fourth proportional to 416,679.87, 625,020.12 and 101,137.08 is: 151,705.70
Step by Step Solution
- Step 1: Write the proportion equation
416,679.87 : 625,020.12 = 101,137.08 : x - Step 2: Convert to fraction form
416,679.87/625,020.12 = 101,137.08/x - Step 3: Cross multiply
416,679.87x = 625,020.12 × 101,137.08 - Step 4: Simplify right side
416,679.87x = 63,212,709,878.05 - Step 5: Solve for x
x = 63,212,709,878.05/416,679.87 - Step 6: Final answer
x = 151,705.70
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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.