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Finding the Fourth Proportional to 267,021.27, 368,489.90 and 146,170.28

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Solution

The fourth proportional to 267,021.27, 368,489.90 and 146,170.28 is: 201,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,021.27 : 368,489.90 = 146,170.28 : x
  2. Step 2: Convert to fraction form
    267,021.27/368,489.90 = 146,170.28/x
  3. Step 3: Cross multiply
    267,021.27x = 368,489.90 × 146,170.28
  4. Step 4: Simplify right side
    267,021.27x = 53,862,269,286.87
  5. Step 5: Solve for x
    x = 53,862,269,286.87/267,021.27
  6. Step 6: Final answer
    x = 201,715.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.