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Finding the Fourth Proportional to 244,231.20, 366,346.80 and 66,765.60

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Solution

The fourth proportional to 244,231.20, 366,346.80 and 66,765.60 is: 100,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,231.20 : 366,346.80 = 66,765.60 : x
  2. Step 2: Convert to fraction form
    244,231.20/366,346.80 = 66,765.60/x
  3. Step 3: Cross multiply
    244,231.20x = 366,346.80 × 66,765.60
  4. Step 4: Simplify right side
    244,231.20x = 24,459,363,910.08
  5. Step 5: Solve for x
    x = 24,459,363,910.08/244,231.20
  6. Step 6: Final answer
    x = 100,148.40

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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.