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Finding the Fourth Proportional to 74,042.60, 111,063.90 and 24,794.60

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Solution

The fourth proportional to 74,042.60, 111,063.90 and 24,794.60 is: 37,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,042.60 : 111,063.90 = 24,794.60 : x
  2. Step 2: Convert to fraction form
    74,042.60/111,063.90 = 24,794.60/x
  3. Step 3: Cross multiply
    74,042.60x = 111,063.90 × 24,794.60
  4. Step 4: Simplify right side
    74,042.60x = 2,753,784,974.94
  5. Step 5: Solve for x
    x = 2,753,784,974.94/74,042.60
  6. Step 6: Final answer
    x = 37,191.90

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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.