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Finding the Fourth Proportional to 267,704.64, 401,489.76 and 109,976.64

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Solution

The fourth proportional to 267,704.64, 401,489.76 and 109,976.64 is: 164,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,704.64 : 401,489.76 = 109,976.64 : x
  2. Step 2: Convert to fraction form
    267,704.64/401,489.76 = 109,976.64/x
  3. Step 3: Cross multiply
    267,704.64x = 401,489.76 × 109,976.64
  4. Step 4: Simplify right side
    267,704.64x = 44,154,494,799.21
  5. Step 5: Solve for x
    x = 44,154,494,799.21/267,704.64
  6. Step 6: Final answer
    x = 164,937.35

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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.