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Finding the Fourth Proportional to 225,349.96, 338,004.78 and 67,613.64

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Solution

The fourth proportional to 225,349.96, 338,004.78 and 67,613.64 is: 101,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,349.96 : 338,004.78 = 67,613.64 : x
  2. Step 2: Convert to fraction form
    225,349.96/338,004.78 = 67,613.64/x
  3. Step 3: Cross multiply
    225,349.96x = 338,004.78 × 67,613.64
  4. Step 4: Simplify right side
    225,349.96x = 22,853,733,513.20
  5. Step 5: Solve for x
    x = 22,853,733,513.20/225,349.96
  6. Step 6: Final answer
    x = 101,414.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.