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Finding the Fourth Proportional to 267,709.86, 400,951.89 and 134,627.94

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Solution

The fourth proportional to 267,709.86, 400,951.89 and 134,627.94 is: 201,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,709.86 : 400,951.89 = 134,627.94 : x
  2. Step 2: Convert to fraction form
    267,709.86/400,951.89 = 134,627.94/x
  3. Step 3: Cross multiply
    267,709.86x = 400,951.89 × 134,627.94
  4. Step 4: Simplify right side
    267,709.86x = 53,979,326,989.81
  5. Step 5: Solve for x
    x = 53,979,326,989.81/267,709.86
  6. Step 6: Final answer
    x = 201,633.69

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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.