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Finding the Fourth Proportional to 133,863.92, 200,796.58 and 45,118.20

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Solution

The fourth proportional to 133,863.92, 200,796.58 and 45,118.20 is: 67,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,863.92 : 200,796.58 = 45,118.20 : x
  2. Step 2: Convert to fraction form
    133,863.92/200,796.58 = 45,118.20/x
  3. Step 3: Cross multiply
    133,863.92x = 200,796.58 × 45,118.20
  4. Step 4: Simplify right side
    133,863.92x = 9,059,580,255.76
  5. Step 5: Solve for x
    x = 9,059,580,255.76/133,863.92
  6. Step 6: Final answer
    x = 67,677.54

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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.