Finding the Fourth Proportional to 125,190.99, 187,655.26 and 46,254.87
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Solution
The fourth proportional to 125,190.99, 187,655.26 and 46,254.87 is: 69,333.81
Step by Step Solution
- Step 1: Write the proportion equation
125,190.99 : 187,655.26 = 46,254.87 : x - Step 2: Convert to fraction form
125,190.99/187,655.26 = 46,254.87/x - Step 3: Cross multiply
125,190.99x = 187,655.26 × 46,254.87 - Step 4: Simplify right side
125,190.99x = 8,679,968,486.57 - Step 5: Solve for x
x = 8,679,968,486.57/125,190.99 - Step 6: Final answer
x = 69,333.81
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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.