Finding the Fourth Proportional to 97,118.40, 136,276.80 and 97,118.40
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Solution
The fourth proportional to 97,118.40, 136,276.80 and 97,118.40 is: 136,276.80
Step by Step Solution
- Step 1: Write the proportion equation
97,118.40 : 136,276.80 = 97,118.40 : x - Step 2: Convert to fraction form
97,118.40/136,276.80 = 97,118.40/x - Step 3: Cross multiply
97,118.40x = 136,276.80 × 97,118.40 - Step 4: Simplify right side
97,118.40x = 13,234,984,773.12 - Step 5: Solve for x
x = 13,234,984,773.12/97,118.40 - Step 6: Final answer
x = 136,276.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.