Finding the Fourth Proportional to 106,907.08, 160,313.22 and 56,977.88
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Solution
The fourth proportional to 106,907.08, 160,313.22 and 56,977.88 is: 85,441.56
Step by Step Solution
- Step 1: Write the proportion equation
106,907.08 : 160,313.22 = 56,977.88 : x - Step 2: Convert to fraction form
106,907.08/160,313.22 = 56,977.88/x - Step 3: Cross multiply
106,907.08x = 160,313.22 × 56,977.88 - Step 4: Simplify right side
106,907.08x = 9,134,307,411.57 - Step 5: Solve for x
x = 9,134,307,411.57/106,907.08 - Step 6: Final answer
x = 85,441.56
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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.