Finding the Fourth Proportional to 107,316.63, 148,097.53 and 67,053.75
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Solution
The fourth proportional to 107,316.63, 148,097.53 and 67,053.75 is: 92,534.54
Step by Step Solution
- Step 1: Write the proportion equation
107,316.63 : 148,097.53 = 67,053.75 : x - Step 2: Convert to fraction form
107,316.63/148,097.53 = 67,053.75/x - Step 3: Cross multiply
107,316.63x = 148,097.53 × 67,053.75 - Step 4: Simplify right side
107,316.63x = 9,930,494,752.24 - Step 5: Solve for x
x = 9,930,494,752.24/107,316.63 - Step 6: Final answer
x = 92,534.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.