Finding the Fourth Proportional to 316,403.08, 474,682.30 and 94,787.08
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Solution
The fourth proportional to 316,403.08, 474,682.30 and 94,787.08 is: 142,203.89
Step by Step Solution
- Step 1: Write the proportion equation
316,403.08 : 474,682.30 = 94,787.08 : x - Step 2: Convert to fraction form
316,403.08/474,682.30 = 94,787.08/x - Step 3: Cross multiply
316,403.08x = 474,682.30 × 94,787.08 - Step 4: Simplify right side
316,403.08x = 44,993,749,144.68 - Step 5: Solve for x
x = 44,993,749,144.68/316,403.08 - Step 6: Final answer
x = 142,203.89
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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.