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Finding the Fourth Proportional to 164,391.68, 246,389.24 and 80,025.39

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Solution

The fourth proportional to 164,391.68, 246,389.24 and 80,025.39 is: 119,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,391.68 : 246,389.24 = 80,025.39 : x
  2. Step 2: Convert to fraction form
    164,391.68/246,389.24 = 80,025.39/x
  3. Step 3: Cross multiply
    164,391.68x = 246,389.24 × 80,025.39
  4. Step 4: Simplify right side
    164,391.68x = 19,717,395,222.87
  5. Step 5: Solve for x
    x = 19,717,395,222.87/164,391.68
  6. Step 6: Final answer
    x = 119,941.56

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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.