Finding the Fourth Proportional to 177,847.20, 249,400.80 and 177,847.20
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Solution
The fourth proportional to 177,847.20, 249,400.80 and 177,847.20 is: 249,400.80
Step by Step Solution
- Step 1: Write the proportion equation
177,847.20 : 249,400.80 = 177,847.20 : x - Step 2: Convert to fraction form
177,847.20/249,400.80 = 177,847.20/x - Step 3: Cross multiply
177,847.20x = 249,400.80 × 177,847.20 - Step 4: Simplify right side
177,847.20x = 44,355,233,957.76 - Step 5: Solve for x
x = 44,355,233,957.76/177,847.20 - Step 6: Final answer
x = 249,400.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.