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Finding the Fourth Proportional to 167,107.14, 230,606.28 and 90,627.92

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Solution

The fourth proportional to 167,107.14, 230,606.28 and 90,627.92 is: 125,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,107.14 : 230,606.28 = 90,627.92 : x
  2. Step 2: Convert to fraction form
    167,107.14/230,606.28 = 90,627.92/x
  3. Step 3: Cross multiply
    167,107.14x = 230,606.28 × 90,627.92
  4. Step 4: Simplify right side
    167,107.14x = 20,899,366,923.87
  5. Step 5: Solve for x
    x = 20,899,366,923.87/167,107.14
  6. Step 6: Final answer
    x = 125,065.68

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1.5x scale

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.