Finding the Fourth Proportional to 107,881.24, 148,875.42 and 60,133.96
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Solution
The fourth proportional to 107,881.24, 148,875.42 and 60,133.96 is: 82,984.48
Step by Step Solution
- Step 1: Write the proportion equation
107,881.24 : 148,875.42 = 60,133.96 : x - Step 2: Convert to fraction form
107,881.24/148,875.42 = 60,133.96/x - Step 3: Cross multiply
107,881.24x = 148,875.42 × 60,133.96 - Step 4: Simplify right side
107,881.24x = 8,952,468,551.26 - Step 5: Solve for x
x = 8,952,468,551.26/107,881.24 - Step 6: Final answer
x = 82,984.48
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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.