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Finding the Fourth Proportional to 179,953.75, 269,902.94 and 60,012.80

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Solution

The fourth proportional to 179,953.75, 269,902.94 and 60,012.80 is: 90,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,953.75 : 269,902.94 = 60,012.80 : x
  2. Step 2: Convert to fraction form
    179,953.75/269,902.94 = 60,012.80/x
  3. Step 3: Cross multiply
    179,953.75x = 269,902.94 × 60,012.80
  4. Step 4: Simplify right side
    179,953.75x = 16,197,629,808.12
  5. Step 5: Solve for x
    x = 16,197,629,808.12/179,953.75
  6. Step 6: Final answer
    x = 90,009.96

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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.