Finding the Fourth Proportional to 110,677.69, 166,016.69 and 47,456.99
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Solution
The fourth proportional to 110,677.69, 166,016.69 and 47,456.99 is: 71,185.55
Step by Step Solution
- Step 1: Write the proportion equation
110,677.69 : 166,016.69 = 47,456.99 : x - Step 2: Convert to fraction form
110,677.69/166,016.69 = 47,456.99/x - Step 3: Cross multiply
110,677.69x = 166,016.69 × 47,456.99 - Step 4: Simplify right side
110,677.69x = 7,878,652,130.32 - Step 5: Solve for x
x = 7,878,652,130.32/110,677.69 - Step 6: Final answer
x = 71,185.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.