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Finding the Fourth Proportional to 335,768.80, 503,690.10 and 111,047.38

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Solution

The fourth proportional to 335,768.80, 503,690.10 and 111,047.38 is: 166,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,768.80 : 503,690.10 = 111,047.38 : x
  2. Step 2: Convert to fraction form
    335,768.80/503,690.10 = 111,047.38/x
  3. Step 3: Cross multiply
    335,768.80x = 503,690.10 × 111,047.38
  4. Step 4: Simplify right side
    335,768.80x = 55,933,465,936.94
  5. Step 5: Solve for x
    x = 55,933,465,936.94/335,768.80
  6. Step 6: Final answer
    x = 166,583.27

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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.