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Finding the Fourth Proportional to 339,140.01, 508,323.03 and 136,606.42

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Solution

The fourth proportional to 339,140.01, 508,323.03 and 136,606.42 is: 204,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,140.01 : 508,323.03 = 136,606.42 : x
  2. Step 2: Convert to fraction form
    339,140.01/508,323.03 = 136,606.42/x
  3. Step 3: Cross multiply
    339,140.01x = 508,323.03 × 136,606.42
  4. Step 4: Simplify right side
    339,140.01x = 69,440,188,676.44
  5. Step 5: Solve for x
    x = 69,440,188,676.44/339,140.01
  6. Step 6: Final answer
    x = 204,753.75

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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.