Finding the Fourth Proportional to 117,879.93, 176,818.18 and 29,133.45
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Solution
The fourth proportional to 117,879.93, 176,818.18 and 29,133.45 is: 43,699.75
Step by Step Solution
- Step 1: Write the proportion equation
117,879.93 : 176,818.18 = 29,133.45 : x - Step 2: Convert to fraction form
117,879.93/176,818.18 = 29,133.45/x - Step 3: Cross multiply
117,879.93x = 176,818.18 × 29,133.45 - Step 4: Simplify right side
117,879.93x = 5,151,323,606.12 - Step 5: Solve for x
x = 5,151,323,606.12/117,879.93 - Step 6: Final answer
x = 43,699.75
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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.