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Finding the Fourth Proportional to 264,991.50, 365,694.03 and 145,759.50

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Solution

The fourth proportional to 264,991.50, 365,694.03 and 145,759.50 is: 201,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,991.50 : 365,694.03 = 145,759.50 : x
  2. Step 2: Convert to fraction form
    264,991.50/365,694.03 = 145,759.50/x
  3. Step 3: Cross multiply
    264,991.50x = 365,694.03 × 145,759.50
  4. Step 4: Simplify right side
    264,991.50x = 53,303,378,965.79
  5. Step 5: Solve for x
    x = 53,303,378,965.79/264,991.50
  6. Step 6: Final answer
    x = 201,151.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.