Finding the Fourth Proportional to 324,946.99, 487,088.16 and 125,189.11
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Solution
The fourth proportional to 324,946.99, 487,088.16 and 125,189.11 is: 187,655.63
Step by Step Solution
- Step 1: Write the proportion equation
324,946.99 : 487,088.16 = 125,189.11 : x - Step 2: Convert to fraction form
324,946.99/487,088.16 = 125,189.11/x - Step 3: Cross multiply
324,946.99x = 487,088.16 × 125,189.11 - Step 4: Simplify right side
324,946.99x = 60,978,133,241.94 - Step 5: Solve for x
x = 60,978,133,241.94/324,946.99 - Step 6: Final answer
x = 187,655.63
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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.