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Finding the Fourth Proportional to 335,859.58, 503,695.79 and 111,237.60

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Solution

The fourth proportional to 335,859.58, 503,695.79 and 111,237.60 is: 166,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,859.58 : 503,695.79 = 111,237.60 : x
  2. Step 2: Convert to fraction form
    335,859.58/503,695.79 = 111,237.60/x
  3. Step 3: Cross multiply
    335,859.58x = 503,695.79 × 111,237.60
  4. Step 4: Simplify right side
    335,859.58x = 56,029,910,253.52
  5. Step 5: Solve for x
    x = 56,029,910,253.52/335,859.58
  6. Step 6: Final answer
    x = 166,825.41

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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.