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Finding the Fourth Proportional to 267,236.21, 400,858.57 and 89,744.76

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Solution

The fourth proportional to 267,236.21, 400,858.57 and 89,744.76 is: 134,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,236.21 : 400,858.57 = 89,744.76 : x
  2. Step 2: Convert to fraction form
    267,236.21/400,858.57 = 89,744.76/x
  3. Step 3: Cross multiply
    267,236.21x = 400,858.57 × 89,744.76
  4. Step 4: Simplify right side
    267,236.21x = 35,974,956,270.77
  5. Step 5: Solve for x
    x = 35,974,956,270.77/267,236.21
  6. Step 6: Final answer
    x = 134,618.57

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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.