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Finding the Fourth Proportional to 119,167.44, 164,450.97 and 65,453.91

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Solution

The fourth proportional to 119,167.44, 164,450.97 and 65,453.91 is: 90,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,167.44 : 164,450.97 = 65,453.91 : x
  2. Step 2: Convert to fraction form
    119,167.44/164,450.97 = 65,453.91/x
  3. Step 3: Cross multiply
    119,167.44x = 164,450.97 × 65,453.91
  4. Step 4: Simplify right side
    119,167.44x = 10,763,958,989.79
  5. Step 5: Solve for x
    x = 10,763,958,989.79/119,167.44
  6. Step 6: Final answer
    x = 90,326.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.