Finding the Fourth Proportional to 141,490.64, 212,261.99 and 46,727.26
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Solution
The fourth proportional to 141,490.64, 212,261.99 and 46,727.26 is: 70,099.48
Step by Step Solution
- Step 1: Write the proportion equation
141,490.64 : 212,261.99 = 46,727.26 : x - Step 2: Convert to fraction form
141,490.64/212,261.99 = 46,727.26/x - Step 3: Cross multiply
141,490.64x = 212,261.99 × 46,727.26 - Step 4: Simplify right side
141,490.64x = 9,918,420,430.56 - Step 5: Solve for x
x = 9,918,420,430.56/141,490.64 - Step 6: Final answer
x = 70,099.48
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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.