Finding the Fourth Proportional to 117,851.68, 162,479.28 and 97,634.08
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Solution
The fourth proportional to 117,851.68, 162,479.28 and 97,634.08 is: 134,605.76
Step by Step Solution
- Step 1: Write the proportion equation
117,851.68 : 162,479.28 = 97,634.08 : x - Step 2: Convert to fraction form
117,851.68/162,479.28 = 97,634.08/x - Step 3: Cross multiply
117,851.68x = 162,479.28 × 97,634.08 - Step 4: Simplify right side
117,851.68x = 15,863,515,021.86 - Step 5: Solve for x
x = 15,863,515,021.86/117,851.68 - Step 6: Final answer
x = 134,605.76
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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.