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Finding the Fourth Proportional to 244,109.20, 365,872.20 and 125,719.60

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Solution

The fourth proportional to 244,109.20, 365,872.20 and 125,719.60 is: 188,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,109.20 : 365,872.20 = 125,719.60 : x
  2. Step 2: Convert to fraction form
    244,109.20/365,872.20 = 125,719.60/x
  3. Step 3: Cross multiply
    244,109.20x = 365,872.20 × 125,719.60
  4. Step 4: Simplify right side
    244,109.20x = 45,997,306,635.12
  5. Step 5: Solve for x
    x = 45,997,306,635.12/244,109.20
  6. Step 6: Final answer
    x = 188,429.22

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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.