Finding the Fourth Proportional to 106,934.58, 147,577.14 and 63,915.48
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Solution
The fourth proportional to 106,934.58, 147,577.14 and 63,915.48 is: 88,207.80
Step by Step Solution
- Step 1: Write the proportion equation
106,934.58 : 147,577.14 = 63,915.48 : x - Step 2: Convert to fraction form
106,934.58/147,577.14 = 63,915.48/x - Step 3: Cross multiply
106,934.58x = 147,577.14 × 63,915.48 - Step 4: Simplify right side
106,934.58x = 9,432,463,740.13 - Step 5: Solve for x
x = 9,432,463,740.13/106,934.58 - Step 6: Final answer
x = 88,207.80
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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.