Finding the Fourth Proportional to 153,310.67, 229,975.76 and 48,133.79
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Solution
The fourth proportional to 153,310.67, 229,975.76 and 48,133.79 is: 72,203.75
Step by Step Solution
- Step 1: Write the proportion equation
153,310.67 : 229,975.76 = 48,133.79 : x - Step 2: Convert to fraction form
153,310.67/229,975.76 = 48,133.79/x - Step 3: Cross multiply
153,310.67x = 229,975.76 × 48,133.79 - Step 4: Simplify right side
153,310.67x = 11,069,605,792.66 - Step 5: Solve for x
x = 11,069,605,792.66/153,310.67 - Step 6: Final answer
x = 72,203.75
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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.