Finding the Fourth Proportional to 124,527, 171,847.30 and 79,815
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Solution
The fourth proportional to 124,527, 171,847.30 and 79,815 is: 110,144.73
Step by Step Solution
- Step 1: Write the proportion equation
124,527 : 171,847.30 = 79,815 : x - Step 2: Convert to fraction form
124,527/171,847.30 = 79,815/x - Step 3: Cross multiply
124,527x = 171,847.30 × 79,815 - Step 4: Simplify right side
124,527x = 13,715,992,249.50 - Step 5: Solve for x
x = 13,715,992,249.50/124,527 - Step 6: Final answer
x = 110,144.73
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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.