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Finding the Fourth Proportional to 336,608.11, 504,855.91 and 111,992.28

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Solution

The fourth proportional to 336,608.11, 504,855.91 and 111,992.28 is: 167,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,608.11 : 504,855.91 = 111,992.28 : x
  2. Step 2: Convert to fraction form
    336,608.11/504,855.91 = 111,992.28/x
  3. Step 3: Cross multiply
    336,608.11x = 504,855.91 × 111,992.28
  4. Step 4: Simplify right side
    336,608.11x = 56,539,964,432.37
  5. Step 5: Solve for x
    x = 56,539,964,432.37/336,608.11
  6. Step 6: Final answer
    x = 167,969.70

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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.