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Finding the Fourth Proportional to 365,859.45, 548,840.81 and 113,162.06

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Solution

The fourth proportional to 365,859.45, 548,840.81 and 113,162.06 is: 169,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,859.45 : 548,840.81 = 113,162.06 : x
  2. Step 2: Convert to fraction form
    365,859.45/548,840.81 = 113,162.06/x
  3. Step 3: Cross multiply
    365,859.45x = 548,840.81 × 113,162.06
  4. Step 4: Simplify right side
    365,859.45x = 62,107,958,326.68
  5. Step 5: Solve for x
    x = 62,107,958,326.68/365,859.45
  6. Step 6: Final answer
    x = 169,759.07

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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.