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Finding the Fourth Proportional to 339,201, 508,836.33 and 89,883

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Solution

The fourth proportional to 339,201, 508,836.33 and 89,883 is: 134,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,201 : 508,836.33 = 89,883 : x
  2. Step 2: Convert to fraction form
    339,201/508,836.33 = 89,883/x
  3. Step 3: Cross multiply
    339,201x = 508,836.33 × 89,883
  4. Step 4: Simplify right side
    339,201x = 45,735,735,849.39
  5. Step 5: Solve for x
    x = 45,735,735,849.39/339,201
  6. Step 6: Final answer
    x = 134,833.73

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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.