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Finding the Fourth Proportional to 339,165.57, 508,743.09 and 114,683.67

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Solution

The fourth proportional to 339,165.57, 508,743.09 and 114,683.67 is: 172,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,165.57 : 508,743.09 = 114,683.67 : x
  2. Step 2: Convert to fraction form
    339,165.57/508,743.09 = 114,683.67/x
  3. Step 3: Cross multiply
    339,165.57x = 508,743.09 × 114,683.67
  4. Step 4: Simplify right side
    339,165.57x = 58,344,524,648.34
  5. Step 5: Solve for x
    x = 58,344,524,648.34/339,165.57
  6. Step 6: Final answer
    x = 172,023.72

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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.