Finding the Fourth Proportional to 127,008.24, 175,279.32 and 73,303.08
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Solution
The fourth proportional to 127,008.24, 175,279.32 and 73,303.08 is: 101,162.84
Step by Step Solution
- Step 1: Write the proportion equation
127,008.24 : 175,279.32 = 73,303.08 : x - Step 2: Convert to fraction form
127,008.24/175,279.32 = 73,303.08/x - Step 3: Cross multiply
127,008.24x = 175,279.32 × 73,303.08 - Step 4: Simplify right side
127,008.24x = 12,848,514,016.31 - Step 5: Solve for x
x = 12,848,514,016.31/127,008.24 - Step 6: Final answer
x = 101,162.84
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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.