Finding the Fourth Proportional to 110,482.96, 165,605.08 and 54,257.68
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Solution
The fourth proportional to 110,482.96, 165,605.08 and 54,257.68 is: 81,327.90
Step by Step Solution
- Step 1: Write the proportion equation
110,482.96 : 165,605.08 = 54,257.68 : x - Step 2: Convert to fraction form
110,482.96/165,605.08 = 54,257.68/x - Step 3: Cross multiply
110,482.96x = 165,605.08 × 54,257.68 - Step 4: Simplify right side
110,482.96x = 8,985,347,437.01 - Step 5: Solve for x
x = 8,985,347,437.01/110,482.96 - Step 6: Final answer
x = 81,327.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.