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Finding the Fourth Proportional to 119,448.34, 164,845.52 and 68,469.56

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Solution

The fourth proportional to 119,448.34, 164,845.52 and 68,469.56 is: 94,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,448.34 : 164,845.52 = 68,469.56 : x
  2. Step 2: Convert to fraction form
    119,448.34/164,845.52 = 68,469.56/x
  3. Step 3: Cross multiply
    119,448.34x = 164,845.52 × 68,469.56
  4. Step 4: Simplify right side
    119,448.34x = 11,286,900,222.37
  5. Step 5: Solve for x
    x = 11,286,900,222.37/119,448.34
  6. Step 6: Final answer
    x = 94,491.90

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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.