Finding the Fourth Proportional to 134,482.60, 185,586.02 and 74,053.09
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Solution
The fourth proportional to 134,482.60, 185,586.02 and 74,053.09 is: 102,193.28
Step by Step Solution
- Step 1: Write the proportion equation
134,482.60 : 185,586.02 = 74,053.09 : x - Step 2: Convert to fraction form
134,482.60/185,586.02 = 74,053.09/x - Step 3: Cross multiply
134,482.60x = 185,586.02 × 74,053.09 - Step 4: Simplify right side
134,482.60x = 13,743,218,241.80 - Step 5: Solve for x
x = 13,743,218,241.80/134,482.60 - Step 6: Final answer
x = 102,193.28
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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.