Finding the Fourth Proportional to 92,206.12, 127,246.08 and 54,480.28
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Solution
The fourth proportional to 92,206.12, 127,246.08 and 54,480.28 is: 75,183.75
Step by Step Solution
- Step 1: Write the proportion equation
92,206.12 : 127,246.08 = 54,480.28 : x - Step 2: Convert to fraction form
92,206.12/127,246.08 = 54,480.28/x - Step 3: Cross multiply
92,206.12x = 127,246.08 × 54,480.28 - Step 4: Simplify right side
92,206.12x = 6,932,402,067.30 - Step 5: Solve for x
x = 6,932,402,067.30/92,206.12 - Step 6: Final answer
x = 75,183.75
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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.