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Finding the Fourth Proportional to 364,668.89, 546,983.55 and 111,949.43

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Solution

The fourth proportional to 364,668.89, 546,983.55 and 111,949.43 is: 167,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,668.89 : 546,983.55 = 111,949.43 : x
  2. Step 2: Convert to fraction form
    364,668.89/546,983.55 = 111,949.43/x
  3. Step 3: Cross multiply
    364,668.89x = 546,983.55 × 111,949.43
  4. Step 4: Simplify right side
    364,668.89x = 61,234,493,906.96
  5. Step 5: Solve for x
    x = 61,234,493,906.96/364,668.89
  6. Step 6: Final answer
    x = 167,918.07

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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.