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Finding the Fourth Proportional to 244,336.60, 366,504.90 and 86,544.55

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Solution

The fourth proportional to 244,336.60, 366,504.90 and 86,544.55 is: 129,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,336.60 : 366,504.90 = 86,544.55 : x
  2. Step 2: Convert to fraction form
    244,336.60/366,504.90 = 86,544.55/x
  3. Step 3: Cross multiply
    244,336.60x = 366,504.90 × 86,544.55
  4. Step 4: Simplify right side
    244,336.60x = 31,719,001,643.30
  5. Step 5: Solve for x
    x = 31,719,001,643.30/244,336.60
  6. Step 6: Final answer
    x = 129,816.83

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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.