Finding the Fourth Proportional to 106,805.06, 160,102.80 and 59,442.84
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Solution
The fourth proportional to 106,805.06, 160,102.80 and 59,442.84 is: 89,105.94
Step by Step Solution
- Step 1: Write the proportion equation
106,805.06 : 160,102.80 = 59,442.84 : x - Step 2: Convert to fraction form
106,805.06/160,102.80 = 59,442.84/x - Step 3: Cross multiply
106,805.06x = 160,102.80 × 59,442.84 - Step 4: Simplify right side
106,805.06x = 9,516,965,724.34 - Step 5: Solve for x
x = 9,516,965,724.34/106,805.06 - Step 6: Final answer
x = 89,105.94
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1.5x scale
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.