Finding the Fourth Proportional to 140,881.11, 211,330.05 and 46,121.14
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Solution
The fourth proportional to 140,881.11, 211,330.05 and 46,121.14 is: 69,184.46
Step by Step Solution
- Step 1: Write the proportion equation
140,881.11 : 211,330.05 = 46,121.14 : x - Step 2: Convert to fraction form
140,881.11/211,330.05 = 46,121.14/x - Step 3: Cross multiply
140,881.11x = 211,330.05 × 46,121.14 - Step 4: Simplify right side
140,881.11x = 9,746,782,822.26 - Step 5: Solve for x
x = 9,746,782,822.26/140,881.11 - Step 6: Final answer
x = 69,184.46
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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.