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Finding the Fourth Proportional to 366,993.93, 550,154.34 and 142,296.69

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Solution

The fourth proportional to 366,993.93, 550,154.34 and 142,296.69 is: 213,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,993.93 : 550,154.34 = 142,296.69 : x
  2. Step 2: Convert to fraction form
    366,993.93/550,154.34 = 142,296.69/x
  3. Step 3: Cross multiply
    366,993.93x = 550,154.34 × 142,296.69
  4. Step 4: Simplify right side
    366,993.93x = 78,285,141,571.13
  5. Step 5: Solve for x
    x = 78,285,141,571.13/366,993.93
  6. Step 6: Final answer
    x = 213,314.54

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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.