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Finding the Fourth Proportional to 133,923.92, 200,880.11 and 40,426.88

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Solution

The fourth proportional to 133,923.92, 200,880.11 and 40,426.88 is: 60,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,923.92 : 200,880.11 = 40,426.88 : x
  2. Step 2: Convert to fraction form
    133,923.92/200,880.11 = 40,426.88/x
  3. Step 3: Cross multiply
    133,923.92x = 200,880.11 × 40,426.88
  4. Step 4: Simplify right side
    133,923.92x = 8,120,956,101.36
  5. Step 5: Solve for x
    x = 8,120,956,101.36/133,923.92
  6. Step 6: Final answer
    x = 60,638.58

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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.