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Finding the Fourth Proportional to 252,993.39, 379,489.71 and 66,004.89

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Solution

The fourth proportional to 252,993.39, 379,489.71 and 66,004.89 is: 99,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,993.39 : 379,489.71 = 66,004.89 : x
  2. Step 2: Convert to fraction form
    252,993.39/379,489.71 = 66,004.89/x
  3. Step 3: Cross multiply
    252,993.39x = 379,489.71 × 66,004.89
  4. Step 4: Simplify right side
    252,993.39x = 25,048,176,564.68
  5. Step 5: Solve for x
    x = 25,048,176,564.68/252,993.39
  6. Step 6: Final answer
    x = 99,007.24

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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.