Finding the Fourth Proportional to 97,268.11, 145,902.17 and 75,113.80
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Solution
The fourth proportional to 97,268.11, 145,902.17 and 75,113.80 is: 112,670.70
Step by Step Solution
- Step 1: Write the proportion equation
97,268.11 : 145,902.17 = 75,113.80 : x - Step 2: Convert to fraction form
97,268.11/145,902.17 = 75,113.80/x - Step 3: Cross multiply
97,268.11x = 145,902.17 × 75,113.80 - Step 4: Simplify right side
97,268.11x = 10,959,266,416.95 - Step 5: Solve for x
x = 10,959,266,416.95/97,268.11 - Step 6: Final answer
x = 112,670.70
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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.