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Finding the Fourth Proportional to 200,654.08, 300,778.92 and 125,827.12

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Solution

The fourth proportional to 200,654.08, 300,778.92 and 125,827.12 is: 188,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,654.08 : 300,778.92 = 125,827.12 : x
  2. Step 2: Convert to fraction form
    200,654.08/300,778.92 = 125,827.12/x
  3. Step 3: Cross multiply
    200,654.08x = 300,778.92 × 125,827.12
  4. Step 4: Simplify right side
    200,654.08x = 37,846,145,260.31
  5. Step 5: Solve for x
    x = 37,846,145,260.31/200,654.08
  6. Step 6: Final answer
    x = 188,613.88

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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.