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Finding the Fourth Proportional to 220,556.75, 330,835.17 and 95,897.75

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Solution

The fourth proportional to 220,556.75, 330,835.17 and 95,897.75 is: 143,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,556.75 : 330,835.17 = 95,897.75 : x
  2. Step 2: Convert to fraction form
    220,556.75/330,835.17 = 95,897.75/x
  3. Step 3: Cross multiply
    220,556.75x = 330,835.17 × 95,897.75
  4. Step 4: Simplify right side
    220,556.75x = 31,726,348,423.87
  5. Step 5: Solve for x
    x = 31,726,348,423.87/220,556.75
  6. Step 6: Final answer
    x = 143,846.64

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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.