Finding the Fourth Proportional to 141,562.88, 212,330.16 and 48,067.20
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Solution
The fourth proportional to 141,562.88, 212,330.16 and 48,067.20 is: 72,095.99
Step by Step Solution
- Step 1: Write the proportion equation
141,562.88 : 212,330.16 = 48,067.20 : x - Step 2: Convert to fraction form
141,562.88/212,330.16 = 48,067.20/x - Step 3: Cross multiply
141,562.88x = 212,330.16 × 48,067.20 - Step 4: Simplify right side
141,562.88x = 10,206,116,266.75 - Step 5: Solve for x
x = 10,206,116,266.75/141,562.88 - Step 6: Final answer
x = 72,095.99
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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.