Finding the Fourth Proportional to 153,614.08, 230,421.12 and 48,443.68
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Solution
The fourth proportional to 153,614.08, 230,421.12 and 48,443.68 is: 72,665.52
Step by Step Solution
- Step 1: Write the proportion equation
153,614.08 : 230,421.12 = 48,443.68 : x - Step 2: Convert to fraction form
153,614.08/230,421.12 = 48,443.68/x - Step 3: Cross multiply
153,614.08x = 230,421.12 × 48,443.68 - Step 4: Simplify right side
153,614.08x = 11,162,447,002.52 - Step 5: Solve for x
x = 11,162,447,002.52/153,614.08 - Step 6: Final answer
x = 72,665.52
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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.