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Finding the Fourth Proportional to 335,709.81, 503,437.28 and 111,002.85

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Solution

The fourth proportional to 335,709.81, 503,437.28 and 111,002.85 is: 166,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,709.81 : 503,437.28 = 111,002.85 : x
  2. Step 2: Convert to fraction form
    335,709.81/503,437.28 = 111,002.85/x
  3. Step 3: Cross multiply
    335,709.81x = 503,437.28 × 111,002.85
  4. Step 4: Simplify right side
    335,709.81x = 55,882,972,321.23
  5. Step 5: Solve for x
    x = 55,882,972,321.23/335,709.81
  6. Step 6: Final answer
    x = 166,462.14

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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.