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Finding the Fourth Proportional to 267,698.05, 400,934.17 and 134,616.13

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Solution

The fourth proportional to 267,698.05, 400,934.17 and 134,616.13 is: 201,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,698.05 : 400,934.17 = 134,616.13 : x
  2. Step 2: Convert to fraction form
    267,698.05/400,934.17 = 134,616.13/x
  3. Step 3: Cross multiply
    267,698.05x = 400,934.17 × 134,616.13
  4. Step 4: Simplify right side
    267,698.05x = 53,972,205,516.10
  5. Step 5: Solve for x
    x = 53,972,205,516.10/267,698.05
  6. Step 6: Final answer
    x = 201,615.98

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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.