Finding the Fourth Proportional to 125,786.07, 173,582.33 and 69,196.23
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Solution
The fourth proportional to 125,786.07, 173,582.33 and 69,196.23 is: 95,489.45
Step by Step Solution
- Step 1: Write the proportion equation
125,786.07 : 173,582.33 = 69,196.23 : x - Step 2: Convert to fraction form
125,786.07/173,582.33 = 69,196.23/x - Step 3: Cross multiply
125,786.07x = 173,582.33 × 69,196.23 - Step 4: Simplify right side
125,786.07x = 12,011,242,484.63 - Step 5: Solve for x
x = 12,011,242,484.63/125,786.07 - Step 6: Final answer
x = 95,489.45
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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.