Finding the Fourth Proportional to 130,632.95, 195,937.99 and 92,524.68
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Solution
The fourth proportional to 130,632.95, 195,937.99 and 92,524.68 is: 138,778.92
Step by Step Solution
- Step 1: Write the proportion equation
130,632.95 : 195,937.99 = 92,524.68 : x - Step 2: Convert to fraction form
130,632.95/195,937.99 = 92,524.68/x - Step 3: Cross multiply
130,632.95x = 195,937.99 × 92,524.68 - Step 4: Simplify right side
130,632.95x = 18,129,099,593.28 - Step 5: Solve for x
x = 18,129,099,593.28/130,632.95 - Step 6: Final answer
x = 138,778.92
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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.