Finding the Fourth Proportional to 157,440.65, 236,173.66 and 49,362.62
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Solution
The fourth proportional to 157,440.65, 236,173.66 and 49,362.62 is: 74,047.90
Step by Step Solution
- Step 1: Write the proportion equation
157,440.65 : 236,173.66 = 49,362.62 : x - Step 2: Convert to fraction form
157,440.65/236,173.66 = 49,362.62/x - Step 3: Cross multiply
157,440.65x = 236,173.66 × 49,362.62 - Step 4: Simplify right side
157,440.65x = 11,658,149,328.31 - Step 5: Solve for x
x = 11,658,149,328.31/157,440.65 - Step 6: Final answer
x = 74,047.90
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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.