Finding the Fourth Proportional to 370,075.95, 555,183.99 and 117,420.03
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Solution
The fourth proportional to 370,075.95, 555,183.99 and 117,420.03 is: 176,152.28
Step by Step Solution
- Step 1: Write the proportion equation
370,075.95 : 555,183.99 = 117,420.03 : x - Step 2: Convert to fraction form
370,075.95/555,183.99 = 117,420.03/x - Step 3: Cross multiply
370,075.95x = 555,183.99 × 117,420.03 - Step 4: Simplify right side
370,075.95x = 65,189,720,761.32 - Step 5: Solve for x
x = 65,189,720,761.32/370,075.95 - Step 6: Final answer
x = 176,152.28
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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.