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Finding the Fourth Proportional to 267,736.32, 401,607.36 and 80,749.44

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Solution

The fourth proportional to 267,736.32, 401,607.36 and 80,749.44 is: 121,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,736.32 : 401,607.36 = 80,749.44 : x
  2. Step 2: Convert to fraction form
    267,736.32/401,607.36 = 80,749.44/x
  3. Step 3: Cross multiply
    267,736.32x = 401,607.36 × 80,749.44
  4. Step 4: Simplify right side
    267,736.32x = 32,429,569,419.88
  5. Step 5: Solve for x
    x = 32,429,569,419.88/267,736.32
  6. Step 6: Final answer
    x = 121,125.03

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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.