Finding the Fourth Proportional to 133,201.40, 199,646.91 and 48,897.95
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Solution
The fourth proportional to 133,201.40, 199,646.91 and 48,897.95 is: 73,289.95
Step by Step Solution
- Step 1: Write the proportion equation
133,201.40 : 199,646.91 = 48,897.95 : x - Step 2: Convert to fraction form
133,201.40/199,646.91 = 48,897.95/x - Step 3: Cross multiply
133,201.40x = 199,646.91 × 48,897.95 - Step 4: Simplify right side
133,201.40x = 9,762,323,624.60 - Step 5: Solve for x
x = 9,762,323,624.60/133,201.40 - Step 6: Final answer
x = 73,289.95
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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.