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Finding the Fourth Proportional to 164,390.94, 246,388.11 and 80,024.64

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Solution

The fourth proportional to 164,390.94, 246,388.11 and 80,024.64 is: 119,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,390.94 : 246,388.11 = 80,024.64 : x
  2. Step 2: Convert to fraction form
    164,390.94/246,388.11 = 80,024.64/x
  3. Step 3: Cross multiply
    164,390.94x = 246,388.11 × 80,024.64
  4. Step 4: Simplify right side
    164,390.94x = 19,717,119,803.03
  5. Step 5: Solve for x
    x = 19,717,119,803.03/164,390.94
  6. Step 6: Final answer
    x = 119,940.43

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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.