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Finding the Fourth Proportional to 362,550.30, 543,825.65 and 137,858.86

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Solution

The fourth proportional to 362,550.30, 543,825.65 and 137,858.86 is: 206,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,550.30 : 543,825.65 = 137,858.86 : x
  2. Step 2: Convert to fraction form
    362,550.30/543,825.65 = 137,858.86/x
  3. Step 3: Cross multiply
    362,550.30x = 543,825.65 × 137,858.86
  4. Step 4: Simplify right side
    362,550.30x = 74,971,184,147.76
  5. Step 5: Solve for x
    x = 74,971,184,147.76/362,550.30
  6. Step 6: Final answer
    x = 206,788.37

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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.