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Finding the Fourth Proportional to 366,993.64, 550,358.36 and 127,042.36

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Solution

The fourth proportional to 366,993.64, 550,358.36 and 127,042.36 is: 190,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,993.64 : 550,358.36 = 127,042.36 : x
  2. Step 2: Convert to fraction form
    366,993.64/550,358.36 = 127,042.36/x
  3. Step 3: Cross multiply
    366,993.64x = 550,358.36 × 127,042.36
  4. Step 4: Simplify right side
    366,993.64x = 69,918,824,900.13
  5. Step 5: Solve for x
    x = 69,918,824,900.13/366,993.64
  6. Step 6: Final answer
    x = 190,517.81

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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.