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Finding the Fourth Proportional to 201,195.90, 301,793.85 and 178,451.10

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Solution

The fourth proportional to 201,195.90, 301,793.85 and 178,451.10 is: 267,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,195.90 : 301,793.85 = 178,451.10 : x
  2. Step 2: Convert to fraction form
    201,195.90/301,793.85 = 178,451.10/x
  3. Step 3: Cross multiply
    201,195.90x = 301,793.85 × 178,451.10
  4. Step 4: Simplify right side
    201,195.90x = 53,855,444,505.74
  5. Step 5: Solve for x
    x = 53,855,444,505.74/201,195.90
  6. Step 6: Final answer
    x = 267,676.65

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Similar ratio
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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.