Finding the Fourth Proportional to 118,566.68, 163,627.26 and 68,281.88
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Solution
The fourth proportional to 118,566.68, 163,627.26 and 68,281.88 is: 94,232.01
Step by Step Solution
- Step 1: Write the proportion equation
118,566.68 : 163,627.26 = 68,281.88 : x - Step 2: Convert to fraction form
118,566.68/163,627.26 = 68,281.88/x - Step 3: Cross multiply
118,566.68x = 163,627.26 × 68,281.88 - Step 4: Simplify right side
118,566.68x = 11,172,776,932.05 - Step 5: Solve for x
x = 11,172,776,932.05/118,566.68 - Step 6: Final answer
x = 94,232.01
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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.