Finding the Fourth Proportional to 118,598.13, 177,896.16 and 48,428.19
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Solution
The fourth proportional to 118,598.13, 177,896.16 and 48,428.19 is: 72,641.86
Step by Step Solution
- Step 1: Write the proportion equation
118,598.13 : 177,896.16 = 48,428.19 : x - Step 2: Convert to fraction form
118,598.13/177,896.16 = 48,428.19/x - Step 3: Cross multiply
118,598.13x = 177,896.16 × 48,428.19 - Step 4: Simplify right side
118,598.13x = 8,615,189,036.75 - Step 5: Solve for x
x = 8,615,189,036.75/118,598.13 - Step 6: Final answer
x = 72,641.86
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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.