Finding the Fourth Proportional to 98,880.74, 148,321.16 and 24,000.99
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Solution
The fourth proportional to 98,880.74, 148,321.16 and 24,000.99 is: 36,001.50
Step by Step Solution
- Step 1: Write the proportion equation
98,880.74 : 148,321.16 = 24,000.99 : x - Step 2: Convert to fraction form
98,880.74/148,321.16 = 24,000.99/x - Step 3: Cross multiply
98,880.74x = 148,321.16 × 24,000.99 - Step 4: Simplify right side
98,880.74x = 3,559,854,557.94 - Step 5: Solve for x
x = 3,559,854,557.94/98,880.74 - Step 6: Final answer
x = 36,001.50
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Double scale
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Similar ratio
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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.