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Finding the Fourth Proportional to 339,291.56, 508,161.96 and 161,923.12

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Solution

The fourth proportional to 339,291.56, 508,161.96 and 161,923.12 is: 242,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,291.56 : 508,161.96 = 161,923.12 : x
  2. Step 2: Convert to fraction form
    339,291.56/508,161.96 = 161,923.12/x
  3. Step 3: Cross multiply
    339,291.56x = 508,161.96 × 161,923.12
  4. Step 4: Simplify right side
    339,291.56x = 82,283,168,758.11
  5. Step 5: Solve for x
    x = 82,283,168,758.11/339,291.56
  6. Step 6: Final answer
    x = 242,514.63

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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.