Finding the Fourth Proportional to 106,424.80, 159,579.60 and 44,024.80
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Solution
The fourth proportional to 106,424.80, 159,579.60 and 44,024.80 is: 66,013.37
Step by Step Solution
- Step 1: Write the proportion equation
106,424.80 : 159,579.60 = 44,024.80 : x - Step 2: Convert to fraction form
106,424.80/159,579.60 = 44,024.80/x - Step 3: Cross multiply
106,424.80x = 159,579.60 × 44,024.80 - Step 4: Simplify right side
106,424.80x = 7,025,459,974.08 - Step 5: Solve for x
x = 7,025,459,974.08/106,424.80 - Step 6: Final answer
x = 66,013.37
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1.5x scale
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.