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Finding the Fourth Proportional to 101,067.70, 151,601.55 and 48,450.10

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Solution

The fourth proportional to 101,067.70, 151,601.55 and 48,450.10 is: 72,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,067.70 : 151,601.55 = 48,450.10 : x
  2. Step 2: Convert to fraction form
    101,067.70/151,601.55 = 48,450.10/x
  3. Step 3: Cross multiply
    101,067.70x = 151,601.55 × 48,450.10
  4. Step 4: Simplify right side
    101,067.70x = 7,345,110,257.66
  5. Step 5: Solve for x
    x = 7,345,110,257.66/101,067.70
  6. Step 6: Final answer
    x = 72,675.15

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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.