Finding the Fourth Proportional to 127,060.35, 175,313.84 and 76,053.68
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Solution
The fourth proportional to 127,060.35, 175,313.84 and 76,053.68 is: 104,936.47
Step by Step Solution
- Step 1: Write the proportion equation
127,060.35 : 175,313.84 = 76,053.68 : x - Step 2: Convert to fraction form
127,060.35/175,313.84 = 76,053.68/x - Step 3: Cross multiply
127,060.35x = 175,313.84 × 76,053.68 - Step 4: Simplify right side
127,060.35x = 13,333,263,715.36 - Step 5: Solve for x
x = 13,333,263,715.36/127,060.35 - Step 6: Final answer
x = 104,936.47
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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.