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Finding the Fourth Proportional to 335,794.78, 503,571.21 and 111,113.74

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Solution

The fourth proportional to 335,794.78, 503,571.21 and 111,113.74 is: 166,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,794.78 : 503,571.21 = 111,113.74 : x
  2. Step 2: Convert to fraction form
    335,794.78/503,571.21 = 111,113.74/x
  3. Step 3: Cross multiply
    335,794.78x = 503,571.21 × 111,113.74
  4. Step 4: Simplify right side
    335,794.78x = 55,953,680,499.43
  5. Step 5: Solve for x
    x = 55,953,680,499.43/335,794.78
  6. Step 6: Final answer
    x = 166,630.58

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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.