Finding the Fourth Proportional to 166,193.20, 249,289.80 and 166,193.20
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Solution
The fourth proportional to 166,193.20, 249,289.80 and 166,193.20 is: 249,289.80
Step by Step Solution
- Step 1: Write the proportion equation
166,193.20 : 249,289.80 = 166,193.20 : x - Step 2: Convert to fraction form
166,193.20/249,289.80 = 166,193.20/x - Step 3: Cross multiply
166,193.20x = 249,289.80 × 166,193.20 - Step 4: Simplify right side
166,193.20x = 41,430,269,589.36 - Step 5: Solve for x
x = 41,430,269,589.36/166,193.20 - Step 6: Final answer
x = 249,289.80
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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.