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Finding the Fourth Proportional to 167,659.54, 231,465.81 and 111,147.46

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Solution

The fourth proportional to 167,659.54, 231,465.81 and 111,147.46 is: 153,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,659.54 : 231,465.81 = 111,147.46 : x
  2. Step 2: Convert to fraction form
    167,659.54/231,465.81 = 111,147.46/x
  3. Step 3: Cross multiply
    167,659.54x = 231,465.81 × 111,147.46
  4. Step 4: Simplify right side
    167,659.54x = 25,726,836,858.34
  5. Step 5: Solve for x
    x = 25,726,836,858.34/167,659.54
  6. Step 6: Final answer
    x = 153,446.90

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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.