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Finding the Fourth Proportional to 79,951.61, 119,796.19 and 27,332.39

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Solution

The fourth proportional to 79,951.61, 119,796.19 and 27,332.39 is: 40,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,951.61 : 119,796.19 = 27,332.39 : x
  2. Step 2: Convert to fraction form
    79,951.61/119,796.19 = 27,332.39/x
  3. Step 3: Cross multiply
    79,951.61x = 119,796.19 × 27,332.39
  4. Step 4: Simplify right side
    79,951.61x = 3,274,315,518.28
  5. Step 5: Solve for x
    x = 3,274,315,518.28/79,951.61
  6. Step 6: Final answer
    x = 40,953.72

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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.