Finding the Fourth Proportional to 106,926.75, 147,597.80 and 62,214.75
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Solution
The fourth proportional to 106,926.75, 147,597.80 and 62,214.75 is: 85,878.98
Step by Step Solution
- Step 1: Write the proportion equation
106,926.75 : 147,597.80 = 62,214.75 : x - Step 2: Convert to fraction form
106,926.75/147,597.80 = 62,214.75/x - Step 3: Cross multiply
106,926.75x = 147,597.80 × 62,214.75 - Step 4: Simplify right side
106,926.75x = 9,182,759,916.48 - Step 5: Solve for x
x = 9,182,759,916.48/106,926.75 - Step 6: Final answer
x = 85,878.98
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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.