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Finding the Fourth Proportional to 223,930.85, 335,656.46 and 111,368.69

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Solution

The fourth proportional to 223,930.85, 335,656.46 and 111,368.69 is: 166,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,930.85 : 335,656.46 = 111,368.69 : x
  2. Step 2: Convert to fraction form
    223,930.85/335,656.46 = 111,368.69/x
  3. Step 3: Cross multiply
    223,930.85x = 335,656.46 × 111,368.69
  4. Step 4: Simplify right side
    223,930.85x = 37,381,618,005.11
  5. Step 5: Solve for x
    x = 37,381,618,005.11/223,930.85
  6. Step 6: Final answer
    x = 166,933.76

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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.