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Finding the Fourth Proportional to 242,163.83, 363,301.02 and 73,708.03

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Solution

The fourth proportional to 242,163.83, 363,301.02 and 73,708.03 is: 110,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,163.83 : 363,301.02 = 73,708.03 : x
  2. Step 2: Convert to fraction form
    242,163.83/363,301.02 = 73,708.03/x
  3. Step 3: Cross multiply
    242,163.83x = 363,301.02 × 73,708.03
  4. Step 4: Simplify right side
    242,163.83x = 26,778,200,664.69
  5. Step 5: Solve for x
    x = 26,778,200,664.69/242,163.83
  6. Step 6: Final answer
    x = 110,578.86

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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.