Finding the Fourth Proportional to 316,402.08, 474,680.80 and 94,786.08
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Solution
The fourth proportional to 316,402.08, 474,680.80 and 94,786.08 is: 142,202.39
Step by Step Solution
- Step 1: Write the proportion equation
316,402.08 : 474,680.80 = 94,786.08 : x - Step 2: Convert to fraction form
316,402.08/474,680.80 = 94,786.08/x - Step 3: Cross multiply
316,402.08x = 474,680.80 × 94,786.08 - Step 4: Simplify right side
316,402.08x = 44,993,132,283.26 - Step 5: Solve for x
x = 44,993,132,283.26/316,402.08 - Step 6: Final answer
x = 142,202.39
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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.