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Finding the Fourth Proportional to 321,958.92, 482,938.38 and 111,596.86

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Solution

The fourth proportional to 321,958.92, 482,938.38 and 111,596.86 is: 167,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,958.92 : 482,938.38 = 111,596.86 : x
  2. Step 2: Convert to fraction form
    321,958.92/482,938.38 = 111,596.86/x
  3. Step 3: Cross multiply
    321,958.92x = 482,938.38 × 111,596.86
  4. Step 4: Simplify right side
    321,958.92x = 53,894,406,781.49
  5. Step 5: Solve for x
    x = 53,894,406,781.49/321,958.92
  6. Step 6: Final answer
    x = 167,395.29

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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.