Finding the Fourth Proportional to 127,675.41, 176,223.09 and 73,951.75
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Solution
The fourth proportional to 127,675.41, 176,223.09 and 73,951.75 is: 102,071.38
Step by Step Solution
- Step 1: Write the proportion equation
127,675.41 : 176,223.09 = 73,951.75 : x - Step 2: Convert to fraction form
127,675.41/176,223.09 = 73,951.75/x - Step 3: Cross multiply
127,675.41x = 176,223.09 × 73,951.75 - Step 4: Simplify right side
127,675.41x = 13,032,005,895.91 - Step 5: Solve for x
x = 13,032,005,895.91/127,675.41 - Step 6: Final answer
x = 102,071.38
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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.