Finding the Fourth Proportional to 97,369.80, 136,514.55 and 97,369.80
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Solution
The fourth proportional to 97,369.80, 136,514.55 and 97,369.80 is: 136,514.55
Step by Step Solution
- Step 1: Write the proportion equation
97,369.80 : 136,514.55 = 97,369.80 : x - Step 2: Convert to fraction form
97,369.80/136,514.55 = 97,369.80/x - Step 3: Cross multiply
97,369.80x = 136,514.55 × 97,369.80 - Step 4: Simplify right side
97,369.80x = 13,292,394,430.59 - Step 5: Solve for x
x = 13,292,394,430.59/97,369.80 - Step 6: Final answer
x = 136,514.55
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.