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Finding the Fourth Proportional to 79,933, 119,837.44 and 51,793.60

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Solution

The fourth proportional to 79,933, 119,837.44 and 51,793.60 is: 77,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,933 : 119,837.44 = 51,793.60 : x
  2. Step 2: Convert to fraction form
    79,933/119,837.44 = 51,793.60/x
  3. Step 3: Cross multiply
    79,933x = 119,837.44 × 51,793.60
  4. Step 4: Simplify right side
    79,933x = 6,206,812,432.38
  5. Step 5: Solve for x
    x = 6,206,812,432.38/79,933
  6. Step 6: Final answer
    x = 77,650.19

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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.