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Finding the Fourth Proportional to 267,672.81, 401,532.81 and 75,548.94

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Solution

The fourth proportional to 267,672.81, 401,532.81 and 75,548.94 is: 113,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,672.81 : 401,532.81 = 75,548.94 : x
  2. Step 2: Convert to fraction form
    267,672.81/401,532.81 = 75,548.94/x
  3. Step 3: Cross multiply
    267,672.81x = 401,532.81 × 75,548.94
  4. Step 4: Simplify right side
    267,672.81x = 30,335,378,170.72
  5. Step 5: Solve for x
    x = 30,335,378,170.72/267,672.81
  6. Step 6: Final answer
    x = 113,330.07

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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.