Finding the Fourth Proportional to 316,872.48, 475,361.58 and 117,193.32
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Solution
The fourth proportional to 316,872.48, 475,361.58 and 117,193.32 is: 175,809.53
Step by Step Solution
- Step 1: Write the proportion equation
316,872.48 : 475,361.58 = 117,193.32 : x - Step 2: Convert to fraction form
316,872.48/475,361.58 = 117,193.32/x - Step 3: Cross multiply
316,872.48x = 475,361.58 × 117,193.32 - Step 4: Simplify right side
316,872.48x = 55,709,201,760.65 - Step 5: Solve for x
x = 55,709,201,760.65/316,872.48 - Step 6: Final answer
x = 175,809.53
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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.