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Finding the Fourth Proportional to 244,620.66, 366,965.01 and 86,811.60

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Solution

The fourth proportional to 244,620.66, 366,965.01 and 86,811.60 is: 130,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,620.66 : 366,965.01 = 86,811.60 : x
  2. Step 2: Convert to fraction form
    244,620.66/366,965.01 = 86,811.60/x
  3. Step 3: Cross multiply
    244,620.66x = 366,965.01 × 86,811.60
  4. Step 4: Simplify right side
    244,620.66x = 31,856,819,662.12
  5. Step 5: Solve for x
    x = 31,856,819,662.12/244,620.66
  6. Step 6: Final answer
    x = 130,229.47

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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.