Finding the Fourth Proportional to 112,818.48, 169,199.97 and 46,277.58
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Solution
The fourth proportional to 112,818.48, 169,199.97 and 46,277.58 is: 69,404.99
Step by Step Solution
- Step 1: Write the proportion equation
112,818.48 : 169,199.97 = 46,277.58 : x - Step 2: Convert to fraction form
112,818.48/169,199.97 = 46,277.58/x - Step 3: Cross multiply
112,818.48x = 169,199.97 × 46,277.58 - Step 4: Simplify right side
112,818.48x = 7,830,165,147.67 - Step 5: Solve for x
x = 7,830,165,147.67/112,818.48 - Step 6: Final answer
x = 69,404.99
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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.