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Finding the Fourth Proportional to 92,704.85, 138,974.80 and 33,527.36

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Solution

The fourth proportional to 92,704.85, 138,974.80 and 33,527.36 is: 50,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,704.85 : 138,974.80 = 33,527.36 : x
  2. Step 2: Convert to fraction form
    92,704.85/138,974.80 = 33,527.36/x
  3. Step 3: Cross multiply
    92,704.85x = 138,974.80 × 33,527.36
  4. Step 4: Simplify right side
    92,704.85x = 4,659,457,719.27
  5. Step 5: Solve for x
    x = 4,659,457,719.27/92,704.85
  6. Step 6: Final answer
    x = 50,261.21

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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.