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Finding the Fourth Proportional to 133,630.67, 200,305.21 and 49,336.86

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Solution

The fourth proportional to 133,630.67, 200,305.21 and 49,336.86 is: 73,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,630.67 : 200,305.21 = 49,336.86 : x
  2. Step 2: Convert to fraction form
    133,630.67/200,305.21 = 49,336.86/x
  3. Step 3: Cross multiply
    133,630.67x = 200,305.21 × 49,336.86
  4. Step 4: Simplify right side
    133,630.67x = 9,882,428,854.83
  5. Step 5: Solve for x
    x = 9,882,428,854.83/133,630.67
  6. Step 6: Final answer
    x = 73,953.30

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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.