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Finding the Fourth Proportional to 73,865.70, 110,758.91 and 23,255.21

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Solution

The fourth proportional to 73,865.70, 110,758.91 and 23,255.21 is: 34,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.70 : 110,758.91 = 23,255.21 : x
  2. Step 2: Convert to fraction form
    73,865.70/110,758.91 = 23,255.21/x
  3. Step 3: Cross multiply
    73,865.70x = 110,758.91 × 23,255.21
  4. Step 4: Simplify right side
    73,865.70x = 2,575,722,060.50
  5. Step 5: Solve for x
    x = 2,575,722,060.50/73,865.70
  6. Step 6: Final answer
    x = 34,870.34

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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.