Finding the Fourth Proportional to 106,390.66, 159,115.42 and 94,626.99
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Solution
The fourth proportional to 106,390.66, 159,115.42 and 94,626.99 is: 141,521.95
Step by Step Solution
- Step 1: Write the proportion equation
106,390.66 : 159,115.42 = 94,626.99 : x - Step 2: Convert to fraction form
106,390.66/159,115.42 = 94,626.99/x - Step 3: Cross multiply
106,390.66x = 159,115.42 × 94,626.99 - Step 4: Simplify right side
106,390.66x = 15,056,613,257.19 - Step 5: Solve for x
x = 15,056,613,257.19/106,390.66 - Step 6: Final answer
x = 141,521.95
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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.