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Finding the Fourth Proportional to 167,107.64, 230,606.97 and 90,628.42

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Solution

The fourth proportional to 167,107.64, 230,606.97 and 90,628.42 is: 125,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,107.64 : 230,606.97 = 90,628.42 : x
  2. Step 2: Convert to fraction form
    167,107.64/230,606.97 = 90,628.42/x
  3. Step 3: Cross multiply
    167,107.64x = 230,606.97 × 90,628.42
  4. Step 4: Simplify right side
    167,107.64x = 20,899,544,878.95
  5. Step 5: Solve for x
    x = 20,899,544,878.95/167,107.64
  6. Step 6: Final answer
    x = 125,066.37

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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.