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Finding the Fourth Proportional to 201,121.53, 301,793.10 and 122,291.11

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Solution

The fourth proportional to 201,121.53, 301,793.10 and 122,291.11 is: 183,504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,121.53 : 301,793.10 = 122,291.11 : x
  2. Step 2: Convert to fraction form
    201,121.53/301,793.10 = 122,291.11/x
  3. Step 3: Cross multiply
    201,121.53x = 301,793.10 × 122,291.11
  4. Step 4: Simplify right side
    201,121.53x = 36,906,613,189.34
  5. Step 5: Solve for x
    x = 36,906,613,189.34/201,121.53
  6. Step 6: Final answer
    x = 183,504.04

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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.