Finding the Fourth Proportional to 110,530.20, 165,751.54 and 48,157.08
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Solution
The fourth proportional to 110,530.20, 165,751.54 and 48,157.08 is: 72,216.55
Step by Step Solution
- Step 1: Write the proportion equation
110,530.20 : 165,751.54 = 48,157.08 : x - Step 2: Convert to fraction form
110,530.20/165,751.54 = 48,157.08/x - Step 3: Cross multiply
110,530.20x = 165,751.54 × 48,157.08 - Step 4: Simplify right side
110,530.20x = 7,982,110,171.90 - Step 5: Solve for x
x = 7,982,110,171.90/110,530.20 - Step 6: Final answer
x = 72,216.55
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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.