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Finding the Fourth Proportional to 201,103.53, 301,650.67 and 101,236.90

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Solution

The fourth proportional to 201,103.53, 301,650.67 and 101,236.90 is: 151,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,103.53 : 301,650.67 = 101,236.90 : x
  2. Step 2: Convert to fraction form
    201,103.53/301,650.67 = 101,236.90/x
  3. Step 3: Cross multiply
    201,103.53x = 301,650.67 × 101,236.90
  4. Step 4: Simplify right side
    201,103.53x = 30,538,178,713.72
  5. Step 5: Solve for x
    x = 30,538,178,713.72/201,103.53
  6. Step 6: Final answer
    x = 151,853.02

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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.