Finding the Fourth Proportional to 132,454.10, 198,681.35 and 61,337.99
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Solution
The fourth proportional to 132,454.10, 198,681.35 and 61,337.99 is: 92,007.08
Step by Step Solution
- Step 1: Write the proportion equation
132,454.10 : 198,681.35 = 61,337.99 : x - Step 2: Convert to fraction form
132,454.10/198,681.35 = 61,337.99/x - Step 3: Cross multiply
132,454.10x = 198,681.35 × 61,337.99 - Step 4: Simplify right side
132,454.10x = 12,186,714,659.49 - Step 5: Solve for x
x = 12,186,714,659.49/132,454.10 - Step 6: Final answer
x = 92,007.08
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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.