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Finding the Fourth Proportional to 68,459.40, 102,704.40 and 24,087.60

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Solution

The fourth proportional to 68,459.40, 102,704.40 and 24,087.60 is: 36,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,459.40 : 102,704.40 = 24,087.60 : x
  2. Step 2: Convert to fraction form
    68,459.40/102,704.40 = 24,087.60/x
  3. Step 3: Cross multiply
    68,459.40x = 102,704.40 × 24,087.60
  4. Step 4: Simplify right side
    68,459.40x = 2,473,902,505.44
  5. Step 5: Solve for x
    x = 2,473,902,505.44/68,459.40
  6. Step 6: Final answer
    x = 36,136.78

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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.