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Finding the Fourth Proportional to 182,115.20, 273,172.80 and 148,872.80

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Solution

The fourth proportional to 182,115.20, 273,172.80 and 148,872.80 is: 223,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,115.20 : 273,172.80 = 148,872.80 : x
  2. Step 2: Convert to fraction form
    182,115.20/273,172.80 = 148,872.80/x
  3. Step 3: Cross multiply
    182,115.20x = 273,172.80 × 148,872.80
  4. Step 4: Simplify right side
    182,115.20x = 40,667,999,619.84
  5. Step 5: Solve for x
    x = 40,667,999,619.84/182,115.20
  6. Step 6: Final answer
    x = 223,309.20

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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.