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Finding the Fourth Proportional to 230,628.04, 318,103.14 and 149,906.68

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Solution

The fourth proportional to 230,628.04, 318,103.14 and 149,906.68 is: 206,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,628.04 : 318,103.14 = 149,906.68 : x
  2. Step 2: Convert to fraction form
    230,628.04/318,103.14 = 149,906.68/x
  3. Step 3: Cross multiply
    230,628.04x = 318,103.14 × 149,906.68
  4. Step 4: Simplify right side
    230,628.04x = 47,685,785,614.98
  5. Step 5: Solve for x
    x = 47,685,785,614.98/230,628.04
  6. Step 6: Final answer
    x = 206,764.91

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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.