Finding the Fourth Proportional to 118,526.70, 177,541.65 and 55,400.70
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Solution
The fourth proportional to 118,526.70, 177,541.65 and 55,400.70 is: 82,984.95
Step by Step Solution
- Step 1: Write the proportion equation
118,526.70 : 177,541.65 = 55,400.70 : x - Step 2: Convert to fraction form
118,526.70/177,541.65 = 55,400.70/x - Step 3: Cross multiply
118,526.70x = 177,541.65 × 55,400.70 - Step 4: Simplify right side
118,526.70x = 9,835,931,689.16 - Step 5: Solve for x
x = 9,835,931,689.16/118,526.70 - Step 6: Final answer
x = 82,984.95
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1.5x scale
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.