Finding the Fourth Proportional to 118,312.44, 163,285.49 and 67,337.57
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Solution
The fourth proportional to 118,312.44, 163,285.49 and 67,337.57 is: 92,933.99
Step by Step Solution
- Step 1: Write the proportion equation
118,312.44 : 163,285.49 = 67,337.57 : x - Step 2: Convert to fraction form
118,312.44/163,285.49 = 67,337.57/x - Step 3: Cross multiply
118,312.44x = 163,285.49 × 67,337.57 - Step 4: Simplify right side
118,312.44x = 10,995,246,959.74 - Step 5: Solve for x
x = 10,995,246,959.74/118,312.44 - Step 6: Final answer
x = 92,933.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.