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Finding the Fourth Proportional to 68,482.44, 102,706.92 and 35,160.12

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Solution

The fourth proportional to 68,482.44, 102,706.92 and 35,160.12 is: 52,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,482.44 : 102,706.92 = 35,160.12 : x
  2. Step 2: Convert to fraction form
    68,482.44/102,706.92 = 35,160.12/x
  3. Step 3: Cross multiply
    68,482.44x = 102,706.92 × 35,160.12
  4. Step 4: Simplify right side
    68,482.44x = 3,611,187,632.03
  5. Step 5: Solve for x
    x = 3,611,187,632.03/68,482.44
  6. Step 6: Final answer
    x = 52,731.59

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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.