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Finding the Fourth Proportional to 179,938.80, 270,102.60 and 101,206.80

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Solution

The fourth proportional to 179,938.80, 270,102.60 and 101,206.80 is: 151,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,938.80 : 270,102.60 = 101,206.80 : x
  2. Step 2: Convert to fraction form
    179,938.80/270,102.60 = 101,206.80/x
  3. Step 3: Cross multiply
    179,938.80x = 270,102.60 × 101,206.80
  4. Step 4: Simplify right side
    179,938.80x = 27,336,219,817.68
  5. Step 5: Solve for x
    x = 27,336,219,817.68/179,938.80
  6. Step 6: Final answer
    x = 151,919.54

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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.