Finding the Fourth Proportional to 317,644.01, 476,651.91 and 118,102.13
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Solution
The fourth proportional to 317,644.01, 476,651.91 and 118,102.13 is: 177,222.32
Step by Step Solution
- Step 1: Write the proportion equation
317,644.01 : 476,651.91 = 118,102.13 : x - Step 2: Convert to fraction form
317,644.01/476,651.91 = 118,102.13/x - Step 3: Cross multiply
317,644.01x = 476,651.91 × 118,102.13 - Step 4: Simplify right side
317,644.01x = 56,293,607,474.08 - Step 5: Solve for x
x = 56,293,607,474.08/317,644.01 - Step 6: Final answer
x = 177,222.32
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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.