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Finding the Fourth Proportional to 103,372.80, 154,960.76 and 33,202.92

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Solution

The fourth proportional to 103,372.80, 154,960.76 and 33,202.92 is: 49,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,372.80 : 154,960.76 = 33,202.92 : x
  2. Step 2: Convert to fraction form
    103,372.80/154,960.76 = 33,202.92/x
  3. Step 3: Cross multiply
    103,372.80x = 154,960.76 × 33,202.92
  4. Step 4: Simplify right side
    103,372.80x = 5,145,149,717.42
  5. Step 5: Solve for x
    x = 5,145,149,717.42/103,372.80
  6. Step 6: Final answer
    x = 49,772.76

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1.5x scale

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.