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Finding the Fourth Proportional to 182,556.21, 273,865.46 and 81,390.98

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Solution

The fourth proportional to 182,556.21, 273,865.46 and 81,390.98 is: 122,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,556.21 : 273,865.46 = 81,390.98 : x
  2. Step 2: Convert to fraction form
    182,556.21/273,865.46 = 81,390.98/x
  3. Step 3: Cross multiply
    182,556.21x = 273,865.46 × 81,390.98
  4. Step 4: Simplify right side
    182,556.21x = 22,290,176,706.48
  5. Step 5: Solve for x
    x = 22,290,176,706.48/182,556.21
  6. Step 6: Final answer
    x = 122,100.35

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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.