Finding the Fourth Proportional to 126,897.17, 190,347.91 and 48,048.53
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Solution
The fourth proportional to 126,897.17, 190,347.91 and 48,048.53 is: 72,073.61
Step by Step Solution
- Step 1: Write the proportion equation
126,897.17 : 190,347.91 = 48,048.53 : x - Step 2: Convert to fraction form
126,897.17/190,347.91 = 48,048.53/x - Step 3: Cross multiply
126,897.17x = 190,347.91 × 48,048.53 - Step 4: Simplify right side
126,897.17x = 9,145,936,192.21 - Step 5: Solve for x
x = 9,145,936,192.21/126,897.17 - Step 6: Final answer
x = 72,073.61
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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.