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Finding the Fourth Proportional to 267,168.50, 400,753.56 and 64,763.81

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Solution

The fourth proportional to 267,168.50, 400,753.56 and 64,763.81 is: 97,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,168.50 : 400,753.56 = 64,763.81 : x
  2. Step 2: Convert to fraction form
    267,168.50/400,753.56 = 64,763.81/x
  3. Step 3: Cross multiply
    267,168.50x = 400,753.56 × 64,763.81
  4. Step 4: Simplify right side
    267,168.50x = 25,954,325,913.84
  5. Step 5: Solve for x
    x = 25,954,325,913.84/267,168.50
  6. Step 6: Final answer
    x = 97,145.90

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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.