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Finding the Fourth Proportional to 79,343.70, 119,018.43 and 26,753.64

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Solution

The fourth proportional to 79,343.70, 119,018.43 and 26,753.64 is: 40,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,343.70 : 119,018.43 = 26,753.64 : x
  2. Step 2: Convert to fraction form
    79,343.70/119,018.43 = 26,753.64/x
  3. Step 3: Cross multiply
    79,343.70x = 119,018.43 × 26,753.64
  4. Step 4: Simplify right side
    79,343.70x = 3,184,176,229.59
  5. Step 5: Solve for x
    x = 3,184,176,229.59/79,343.70
  6. Step 6: Final answer
    x = 40,131.43

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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.