Finding the Fourth Proportional to 125,545.14, 173,246.04 and 68,958.54
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Solution
The fourth proportional to 125,545.14, 173,246.04 and 68,958.54 is: 95,159.35
Step by Step Solution
- Step 1: Write the proportion equation
125,545.14 : 173,246.04 = 68,958.54 : x - Step 2: Convert to fraction form
125,545.14/173,246.04 = 68,958.54/x - Step 3: Cross multiply
125,545.14x = 173,246.04 × 68,958.54 - Step 4: Simplify right side
125,545.14x = 11,946,793,979.18 - Step 5: Solve for x
x = 11,946,793,979.18/125,545.14 - Step 6: Final answer
x = 95,159.35
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1.5x scale
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.