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Finding the Fourth Proportional to 61,172.69, 91,748.07 and 16,793.60

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Solution

The fourth proportional to 61,172.69, 91,748.07 and 16,793.60 is: 25,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,172.69 : 91,748.07 = 16,793.60 : x
  2. Step 2: Convert to fraction form
    61,172.69/91,748.07 = 16,793.60/x
  3. Step 3: Cross multiply
    61,172.69x = 91,748.07 × 16,793.60
  4. Step 4: Simplify right side
    61,172.69x = 1,540,780,304.38
  5. Step 5: Solve for x
    x = 1,540,780,304.38/61,172.69
  6. Step 6: Final answer
    x = 25,187.39

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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.