Finding the Fourth Proportional to 106,922.26, 160,393.11 and 28,036.18
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Solution
The fourth proportional to 106,922.26, 160,393.11 and 28,036.18 is: 42,056.82
Step by Step Solution
- Step 1: Write the proportion equation
106,922.26 : 160,393.11 = 28,036.18 : x - Step 2: Convert to fraction form
106,922.26/160,393.11 = 28,036.18/x - Step 3: Cross multiply
106,922.26x = 160,393.11 × 28,036.18 - Step 4: Simplify right side
106,922.26x = 4,496,810,102.72 - Step 5: Solve for x
x = 4,496,810,102.72/106,922.26 - Step 6: Final answer
x = 42,056.82
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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.