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Finding the Fourth Proportional to 160,789.75, 241,174.87 and 72,019.42

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Solution

The fourth proportional to 160,789.75, 241,174.87 and 72,019.42 is: 108,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,789.75 : 241,174.87 = 72,019.42 : x
  2. Step 2: Convert to fraction form
    160,789.75/241,174.87 = 72,019.42/x
  3. Step 3: Cross multiply
    160,789.75x = 241,174.87 × 72,019.42
  4. Step 4: Simplify right side
    160,789.75x = 17,369,274,255.98
  5. Step 5: Solve for x
    x = 17,369,274,255.98/160,789.75
  6. Step 6: Final answer
    x = 108,024.76

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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.