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Finding the Fourth Proportional to 79,951.86, 119,796.56 and 27,332.64

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Solution

The fourth proportional to 79,951.86, 119,796.56 and 27,332.64 is: 40,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,951.86 : 119,796.56 = 27,332.64 : x
  2. Step 2: Convert to fraction form
    79,951.86/119,796.56 = 27,332.64/x
  3. Step 3: Cross multiply
    79,951.86x = 119,796.56 × 27,332.64
  4. Step 4: Simplify right side
    79,951.86x = 3,274,356,247.72
  5. Step 5: Solve for x
    x = 3,274,356,247.72/79,951.86
  6. Step 6: Final answer
    x = 40,954.10

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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.