Finding the Fourth Proportional to 134,677.09, 185,855.67 and 74,249.95
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Solution
The fourth proportional to 134,677.09, 185,855.67 and 74,249.95 is: 102,465.64
Step by Step Solution
- Step 1: Write the proportion equation
134,677.09 : 185,855.67 = 74,249.95 : x - Step 2: Convert to fraction form
134,677.09/185,855.67 = 74,249.95/x - Step 3: Cross multiply
134,677.09x = 185,855.67 × 74,249.95 - Step 4: Simplify right side
134,677.09x = 13,799,774,204.72 - Step 5: Solve for x
x = 13,799,774,204.72/134,677.09 - Step 6: Final answer
x = 102,465.64
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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.