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Finding the Fourth Proportional to 179,481.80, 269,222.70 and 61,124.60

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Solution

The fourth proportional to 179,481.80, 269,222.70 and 61,124.60 is: 91,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,481.80 : 269,222.70 = 61,124.60 : x
  2. Step 2: Convert to fraction form
    179,481.80/269,222.70 = 61,124.60/x
  3. Step 3: Cross multiply
    179,481.80x = 269,222.70 × 61,124.60
  4. Step 4: Simplify right side
    179,481.80x = 16,456,129,848.42
  5. Step 5: Solve for x
    x = 16,456,129,848.42/179,481.80
  6. Step 6: Final answer
    x = 91,686.90

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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.