Finding the Fourth Proportional to 113,286.14, 156,338.84 and 62,300.96
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Solution
The fourth proportional to 113,286.14, 156,338.84 and 62,300.96 is: 85,977.50
Step by Step Solution
- Step 1: Write the proportion equation
113,286.14 : 156,338.84 = 62,300.96 : x - Step 2: Convert to fraction form
113,286.14/156,338.84 = 62,300.96/x - Step 3: Cross multiply
113,286.14x = 156,338.84 × 62,300.96 - Step 4: Simplify right side
113,286.14x = 9,740,058,724.09 - Step 5: Solve for x
x = 9,740,058,724.09/113,286.14 - Step 6: Final answer
x = 85,977.50
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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.