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Finding the Fourth Proportional to 335,851.95, 503,684.41 and 111,229.90

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Solution

The fourth proportional to 335,851.95, 503,684.41 and 111,229.90 is: 166,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,851.95 : 503,684.41 = 111,229.90 : x
  2. Step 2: Convert to fraction form
    335,851.95/503,684.41 = 111,229.90/x
  3. Step 3: Cross multiply
    335,851.95x = 503,684.41 × 111,229.90
  4. Step 4: Simplify right side
    335,851.95x = 56,024,766,485.85
  5. Step 5: Solve for x
    x = 56,024,766,485.85/335,851.95
  6. Step 6: Final answer
    x = 166,813.88

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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.