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Finding the Fourth Proportional to 230,188.38, 317,668.59 and 126,826.83

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Solution

The fourth proportional to 230,188.38, 317,668.59 and 126,826.83 is: 175,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,188.38 : 317,668.59 = 126,826.83 : x
  2. Step 2: Convert to fraction form
    230,188.38/317,668.59 = 126,826.83/x
  3. Step 3: Cross multiply
    230,188.38x = 317,668.59 × 126,826.83
  4. Step 4: Simplify right side
    230,188.38x = 40,288,900,260.27
  5. Step 5: Solve for x
    x = 40,288,900,260.27/230,188.38
  6. Step 6: Final answer
    x = 175,025.78

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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.