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Finding the Fourth Proportional to 133,958.58, 200,944.04 and 45,212.88

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Solution

The fourth proportional to 133,958.58, 200,944.04 and 45,212.88 is: 67,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,958.58 : 200,944.04 = 45,212.88 : x
  2. Step 2: Convert to fraction form
    133,958.58/200,944.04 = 45,212.88/x
  3. Step 3: Cross multiply
    133,958.58x = 200,944.04 × 45,212.88
  4. Step 4: Simplify right side
    133,958.58x = 9,085,258,541.17
  5. Step 5: Solve for x
    x = 9,085,258,541.17/133,958.58
  6. Step 6: Final answer
    x = 67,821.40

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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.