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Finding the Fourth Proportional to 201,176.60, 301,764.90 and 90,584.60

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Solution

The fourth proportional to 201,176.60, 301,764.90 and 90,584.60 is: 135,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,176.60 : 301,764.90 = 90,584.60 : x
  2. Step 2: Convert to fraction form
    201,176.60/301,764.90 = 90,584.60/x
  3. Step 3: Cross multiply
    201,176.60x = 301,764.90 × 90,584.60
  4. Step 4: Simplify right side
    201,176.60x = 27,335,252,760.54
  5. Step 5: Solve for x
    x = 27,335,252,760.54/201,176.60
  6. Step 6: Final answer
    x = 135,876.90

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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.