Finding the Fourth Proportional to 476,106.24, 714,163.54 and 121,120.62
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Solution
The fourth proportional to 476,106.24, 714,163.54 and 121,120.62 is: 181,681.99
Step by Step Solution
- Step 1: Write the proportion equation
476,106.24 : 714,163.54 = 121,120.62 : x - Step 2: Convert to fraction form
476,106.24/714,163.54 = 121,120.62/x - Step 3: Cross multiply
476,106.24x = 714,163.54 × 121,120.62 - Step 4: Simplify right side
476,106.24x = 86,499,930,746.19 - Step 5: Solve for x
x = 86,499,930,746.19/476,106.24 - Step 6: Final answer
x = 181,681.99
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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.