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Finding the Fourth Proportional to 267,125.56, 400,753.14 and 80,137.06

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Solution

The fourth proportional to 267,125.56, 400,753.14 and 80,137.06 is: 120,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,125.56 : 400,753.14 = 80,137.06 : x
  2. Step 2: Convert to fraction form
    267,125.56/400,753.14 = 80,137.06/x
  3. Step 3: Cross multiply
    267,125.56x = 400,753.14 × 80,137.06
  4. Step 4: Simplify right side
    267,125.56x = 32,115,178,425.37
  5. Step 5: Solve for x
    x = 32,115,178,425.37/267,125.56
  6. Step 6: Final answer
    x = 120,225.03

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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.