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Finding the Fourth Proportional to 225,163.89, 337,749.93 and 75,376.26

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Solution

The fourth proportional to 225,163.89, 337,749.93 and 75,376.26 is: 113,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,163.89 : 337,749.93 = 75,376.26 : x
  2. Step 2: Convert to fraction form
    225,163.89/337,749.93 = 75,376.26/x
  3. Step 3: Cross multiply
    225,163.89x = 337,749.93 × 75,376.26
  4. Step 4: Simplify right side
    225,163.89x = 25,458,326,538.66
  5. Step 5: Solve for x
    x = 25,458,326,538.66/225,163.89
  6. Step 6: Final answer
    x = 113,065.76

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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.