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Finding the Fourth Proportional to 133,591.20, 200,386.80 and 33,751.68

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Solution

The fourth proportional to 133,591.20, 200,386.80 and 33,751.68 is: 50,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,591.20 : 200,386.80 = 33,751.68 : x
  2. Step 2: Convert to fraction form
    133,591.20/200,386.80 = 33,751.68/x
  3. Step 3: Cross multiply
    133,591.20x = 200,386.80 × 33,751.68
  4. Step 4: Simplify right side
    133,591.20x = 6,763,391,149.82
  5. Step 5: Solve for x
    x = 6,763,391,149.82/133,591.20
  6. Step 6: Final answer
    x = 50,627.52

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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.