Finding the Fourth Proportional to 94,762.98, 130,617.09 and 67,176.90
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Solution
The fourth proportional to 94,762.98, 130,617.09 and 67,176.90 is: 92,593.66
Step by Step Solution
- Step 1: Write the proportion equation
94,762.98 : 130,617.09 = 67,176.90 : x - Step 2: Convert to fraction form
94,762.98/130,617.09 = 67,176.90/x - Step 3: Cross multiply
94,762.98x = 130,617.09 × 67,176.90 - Step 4: Simplify right side
94,762.98x = 8,774,451,193.22 - Step 5: Solve for x
x = 8,774,451,193.22/94,762.98 - Step 6: Final answer
x = 92,593.66
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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.