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Finding the Fourth Proportional to 267,178.46, 400,767.70 and 67,499.42

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Solution

The fourth proportional to 267,178.46, 400,767.70 and 67,499.42 is: 101,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,178.46 : 400,767.70 = 67,499.42 : x
  2. Step 2: Convert to fraction form
    267,178.46/400,767.70 = 67,499.42/x
  3. Step 3: Cross multiply
    267,178.46x = 400,767.70 × 67,499.42
  4. Step 4: Simplify right side
    267,178.46x = 27,051,588,137.90
  5. Step 5: Solve for x
    x = 27,051,588,137.90/267,178.46
  6. Step 6: Final answer
    x = 101,249.13

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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.