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Finding the Fourth Proportional to 68,382.19, 102,540.43 and 32,328.62

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Solution

The fourth proportional to 68,382.19, 102,540.43 and 32,328.62 is: 48,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,382.19 : 102,540.43 = 32,328.62 : x
  2. Step 2: Convert to fraction form
    68,382.19/102,540.43 = 32,328.62/x
  3. Step 3: Cross multiply
    68,382.19x = 102,540.43 × 32,328.62
  4. Step 4: Simplify right side
    68,382.19x = 3,314,990,596.11
  5. Step 5: Solve for x
    x = 3,314,990,596.11/68,382.19
  6. Step 6: Final answer
    x = 48,477.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.