Finding the Fourth Proportional to 106,599.60, 147,107.88 and 58,201.68
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Solution
The fourth proportional to 106,599.60, 147,107.88 and 58,201.68 is: 80,318.55
Step by Step Solution
- Step 1: Write the proportion equation
106,599.60 : 147,107.88 = 58,201.68 : x - Step 2: Convert to fraction form
106,599.60/147,107.88 = 58,201.68/x - Step 3: Cross multiply
106,599.60x = 147,107.88 × 58,201.68 - Step 4: Simplify right side
106,599.60x = 8,561,925,757.24 - Step 5: Solve for x
x = 8,561,925,757.24/106,599.60 - Step 6: Final answer
x = 80,318.55
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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.