Finding the Fourth Proportional to 96,618.42, 133,266.06 and 93,367.08
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Solution
The fourth proportional to 96,618.42, 133,266.06 and 93,367.08 is: 128,781.48
Step by Step Solution
- Step 1: Write the proportion equation
96,618.42 : 133,266.06 = 93,367.08 : x - Step 2: Convert to fraction form
96,618.42/133,266.06 = 93,367.08/x - Step 3: Cross multiply
96,618.42x = 133,266.06 × 93,367.08 - Step 4: Simplify right side
96,618.42x = 12,442,662,885.30 - Step 5: Solve for x
x = 12,442,662,885.30/96,618.42 - Step 6: Final answer
x = 128,781.48
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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.