Finding the Fourth Proportional to 110,259.18, 165,241.14 and 54,013.18
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Solution
The fourth proportional to 110,259.18, 165,241.14 and 54,013.18 is: 80,947.45
Step by Step Solution
- Step 1: Write the proportion equation
110,259.18 : 165,241.14 = 54,013.18 : x - Step 2: Convert to fraction form
110,259.18/165,241.14 = 54,013.18/x - Step 3: Cross multiply
110,259.18x = 165,241.14 × 54,013.18 - Step 4: Simplify right side
110,259.18x = 8,925,199,438.23 - Step 5: Solve for x
x = 8,925,199,438.23/110,259.18 - Step 6: Final answer
x = 80,947.45
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1.5x scale
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.