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Finding the Fourth Proportional to 79,425, 119,140.38 and 24,021

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Solution

The fourth proportional to 79,425, 119,140.38 and 24,021 is: 36,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,425 : 119,140.38 = 24,021 : x
  2. Step 2: Convert to fraction form
    79,425/119,140.38 = 24,021/x
  3. Step 3: Cross multiply
    79,425x = 119,140.38 × 24,021
  4. Step 4: Simplify right side
    79,425x = 2,861,871,067.98
  5. Step 5: Solve for x
    x = 2,861,871,067.98/79,425
  6. Step 6: Final answer
    x = 36,032.37

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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.