Finding the Fourth Proportional to 134,733.22, 185,933.01 and 74,306.02
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Solution
The fourth proportional to 134,733.22, 185,933.01 and 74,306.02 is: 102,542.95
Step by Step Solution
- Step 1: Write the proportion equation
134,733.22 : 185,933.01 = 74,306.02 : x - Step 2: Convert to fraction form
134,733.22/185,933.01 = 74,306.02/x - Step 3: Cross multiply
134,733.22x = 185,933.01 × 74,306.02 - Step 4: Simplify right side
134,733.22x = 13,815,941,959.72 - Step 5: Solve for x
x = 13,815,941,959.72/134,733.22 - Step 6: Final answer
x = 102,542.95
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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.