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Finding the Fourth Proportional to 119,373.38, 164,735.34 and 65,662.48

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Solution

The fourth proportional to 119,373.38, 164,735.34 and 65,662.48 is: 90,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,373.38 : 164,735.34 = 65,662.48 : x
  2. Step 2: Convert to fraction form
    119,373.38/164,735.34 = 65,662.48/x
  3. Step 3: Cross multiply
    119,373.38x = 164,735.34 × 65,662.48
  4. Step 4: Simplify right side
    119,373.38x = 10,816,930,556.20
  5. Step 5: Solve for x
    x = 10,816,930,556.20/119,373.38
  6. Step 6: Final answer
    x = 90,614.26

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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.