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Finding the Fourth Proportional to 133,535.75, 200,323.43 and 38,766.72

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Solution

The fourth proportional to 133,535.75, 200,323.43 and 38,766.72 is: 58,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,535.75 : 200,323.43 = 38,766.72 : x
  2. Step 2: Convert to fraction form
    133,535.75/200,323.43 = 38,766.72/x
  3. Step 3: Cross multiply
    133,535.75x = 200,323.43 × 38,766.72
  4. Step 4: Simplify right side
    133,535.75x = 7,765,882,318.74
  5. Step 5: Solve for x
    x = 7,765,882,318.74/133,535.75
  6. Step 6: Final answer
    x = 58,155.83

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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.