Finding the Fourth Proportional to 117,526.86, 162,161.73 and 69,796.26
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Solution
The fourth proportional to 117,526.86, 162,161.73 and 69,796.26 is: 96,303.79
Step by Step Solution
- Step 1: Write the proportion equation
117,526.86 : 162,161.73 = 69,796.26 : x - Step 2: Convert to fraction form
117,526.86/162,161.73 = 69,796.26/x - Step 3: Cross multiply
117,526.86x = 162,161.73 × 69,796.26 - Step 4: Simplify right side
117,526.86x = 11,318,282,269.13 - Step 5: Solve for x
x = 11,318,282,269.13/117,526.86 - Step 6: Final answer
x = 96,303.79
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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.