Finding the Fourth Proportional to 117,739.86, 176,613.84 and 46,675.94
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Solution
The fourth proportional to 117,739.86, 176,613.84 and 46,675.94 is: 70,015.51
Step by Step Solution
- Step 1: Write the proportion equation
117,739.86 : 176,613.84 = 46,675.94 : x - Step 2: Convert to fraction form
117,739.86/176,613.84 = 46,675.94/x - Step 3: Cross multiply
117,739.86x = 176,613.84 × 46,675.94 - Step 4: Simplify right side
117,739.86x = 8,243,616,115.94 - Step 5: Solve for x
x = 8,243,616,115.94/117,739.86 - Step 6: Final answer
x = 70,015.51
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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.