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Finding the Fourth Proportional to 160,800.72, 241,151.72 and 111,199.56

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Solution

The fourth proportional to 160,800.72, 241,151.72 and 111,199.56 is: 166,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,800.72 : 241,151.72 = 111,199.56 : x
  2. Step 2: Convert to fraction form
    160,800.72/241,151.72 = 111,199.56/x
  3. Step 3: Cross multiply
    160,800.72x = 241,151.72 × 111,199.56
  4. Step 4: Simplify right side
    160,800.72x = 26,815,964,601.25
  5. Step 5: Solve for x
    x = 26,815,964,601.25/160,800.72
  6. Step 6: Final answer
    x = 166,765.20

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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.